StructureDefinition: DAF-DiagnosticOrder - XML

DAF-DiagnosticOrder

<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="daf-diagnosticorder"/>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml">to do</div>
  </text>
  <url value="http://hl7.org/fhir/StructureDefinition/daf-diagnosticorder"/>
  <name value="U.S. Data Access Framework (DAF) DiagnosticOrder Profile"/>
  <display value="DAF-DiagnosticOrder"/>
  <status value="draft"/>
  <publisher value="Health Level Seven International (Infrastructure and Messaging - Data Access Framework)"/>
  <contact>
    <telecom>
      <system value="other"/>
      <value value="http://www.healthit.gov"/>
    </telecom>
  </contact>
  <date value="2014-08-21"/>
  <description value="Defines constraints and extensions on the DiagnosticOrder resource for use in querying
   and retrieving DiagnosticOrder information."/>
  <fhirVersion value="1.2.0"/>
  <kind value="resource"/>
  <constrainedType value="DiagnosticOrder"/>
  <abstract value="false"/>
  <base value="http://hl7.org/fhir/StructureDefinition/DiagnosticOrder"/>
  <snapshot>
    <element>
      <path value="DiagnosticOrder"/>
      <name value="DAF-DiagnosticOrder"/>
      <short value="A request for a diagnostic service"/>
      <definition value="A record of a request for a diagnostic investigation service to be performed."/>
      <alias value="DO"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DiagnosticOrder"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="DiagnosticOrder"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="Observation[classCode=OBS, moodCode=RQO, code&lt;&quot;diagnostic order&quot;]"/>
      </mapping>
      <mapping>
        <identity value="w5"/>
        <map value="clinical.diagnostics"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.id"/>
      <short value="Logical id of this artifact"/>
      <definition value="The logical id of the resource, as used in the URL for the resource. Once assigned, this
       value never changes."/>
      <comments value="The only time that a resource does not have an id is when it is being submitted to the
       server using a create operation. Bundles always have an id, though it is usually a generated
       UUID."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DiagnosticOrder.id"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <isSummary value="true"/>
    </element>
    <element>
      <path value="DiagnosticOrder.meta"/>
      <short value="Metadata about the resource"/>
      <definition value="The metadata about the resource. This is content that is maintained by the infrastructure.
       Changes to the content may not always be associated with version changes to the resource."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DiagnosticOrder.meta"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Meta"/>
      </type>
      <isSummary value="true"/>
    </element>
    <element>
      <path value="DiagnosticOrder.implicitRules"/>
      <short value="A set of rules under which this content was created"/>
      <definition value="A reference to a set of rules that were followed when the resource was constructed, and
       which must be understood when processing the content."/>
      <comments value="Asserting this rule set restricts the content to be only understood by a limited set of
       trading partners. This inherently limits the usefulness of the data in the long term.
       However, the existing health eco-system is highly fractured, and not yet ready to define,
       collect, and exchange data in a generally computable sense. Wherever possible, implementers
       and/or specification writers should avoid using this element as much as possible."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DiagnosticOrder.implicitRules"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="uri"/>
      </type>
      <isModifier value="true"/>
      <isSummary value="true"/>
    </element>
    <element>
      <path value="DiagnosticOrder.language"/>
      <short value="Language of the resource content"/>
      <definition value="The base language in which the resource is written."/>
      <comments value="Language is provided to support indexing and accessibility (typically, services such as
       text to speech use the language tag). The html language tag in the narrative applies 
       to the narrative. The language tag on the resource may be used to specify the language
       of other presentations generated from the data in the resource  Not all the content has
       to be in the base language. The Resource.language should not be assumed to apply to the
       narrative automatically. If a language is specified, it should it also be specified on
       the div element in the html (see rules in HTML5 for information about the relationship
       between xml:lang and the html lang attribute)."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DiagnosticOrder.language"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <binding>
        <strength value="required"/>
        <description value="A human language."/>
        <valueSetUri value="http://tools.ietf.org/html/bcp47"/>
      </binding>
    </element>
    <element>
      <path value="DiagnosticOrder.text"/>
      <short value="Text summary of the resource, for human interpretation"/>
      <definition value="A human-readable narrative that contains a summary of the resource, and may be used to
       represent the content of the resource to a human. The narrative need not encode all the
       structured data, but is required to contain sufficient detail to make it &quot;clinically
       safe&quot; for a human to just read the narrative. Resource definitions may define what
       content should be represented in the narrative to ensure clinical safety."/>
      <comments value="Contained resources do not have narrative. Resources that are not contained SHOULD have
       a narrative."/>
      <alias value="narrative"/>
      <alias value="html"/>
      <alias value="xhtml"/>
      <alias value="display"/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DiagnosticOrder.text"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Narrative"/>
      </type>
      <condition value="dom-1"/>
      <mapping>
        <identity value="rim"/>
        <map value="Act.text?"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.contained"/>
      <short value="Contained, inline Resources"/>
      <definition value="These resources do not have an independent existence apart from the resource that contains
       them - they cannot be identified independently, and nor can they have their own independent
       transaction scope."/>
      <comments value="This should never be done when the content can be identified properly, as once identification
       is lost, it is extremely difficult (and context dependent) to restore it again."/>
      <alias value="inline resources"/>
      <alias value="anonymous resources"/>
      <alias value="contained resources"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DiagnosticOrder.contained"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Resource"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.extension"/>
      <short value="Additional Content defined by implementations"/>
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the resource. In order to make the use of extensions safe and manageable, there is
       a strict set of governance  applied to the definition and use of extensions. Though any
       implementer is allowed to define an extension, there is a set of requirements that SHALL
       be met as part of the definition of the extension."/>
      <comments value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DiagnosticOrder.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.modifierExtension"/>
      <short value="Extensions that cannot be ignored"/>
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the resource, and that modifies the understanding of the element that contains it.
       Usually modifier elements provide negation or qualification. In order to make the use
       of extensions safe and manageable, there is a strict set of governance applied to the
       definition and use of extensions. Though any implementer is allowed to define an extension,
       there is a set of requirements that SHALL be met as part of the definition of the extension.
       Applications processing a resource are required to check for modifier extensions."/>
      <comments value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DiagnosticOrder.modifierExtension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <isModifier value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.subject"/>
      <short value="Who and/or what test is about"/>
      <definition value="Who or what the investigation is to be performed on. This is usually a human patient,
       but diagnostic tests can also be requested on animals, groups of humans or animals, devices
       such as dialysis machines, or even locations (typically for environmental scans)."/>
      <requirements value="Limited to single patient per Diagnostic Order (Requisition)."/>
      <alias value="Patient"/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="DiagnosticOrder.subject"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/daf-patient"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value=".participation[typeCode=SBJ].role"/>
      </mapping>
      <mapping>
        <identity value="w5"/>
        <map value="who.focus"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.orderer"/>
      <short value="Who ordered the test"/>
      <definition value="The practitioner that holds legal responsibility for ordering the investigation."/>
      <requirements value="Limited to single orderer per Diagnostic Order (Requisition)."/>
      <alias value="Ordering Provider"/>
      <alias value="OP"/>
      <alias value="Submitter"/>
      <alias value="Placer"/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="DiagnosticOrder.orderer"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/daf-pract"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value=".participation[typeCode=AUT].role"/>
      </mapping>
      <mapping>
        <identity value="w5"/>
        <map value="who.actor"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.identifier"/>
      <short value="Identifiers assigned to this order"/>
      <definition value="Identifiers assigned to this order instance by the orderer and/or  the receiver and/or
       order fulfiller."/>
      <comments value="The identifier.type element is used to distinguish between the identifiers assigned by
       the orderer (known as the 'Placer' in HL7 v2) and the producer of the observations in
       response to the order (known as the 'Filler' in HL7 v2). For further discussion and examples
       see the [notes section](diagnosticorder.html#4.22.4) below."/>
      <requirements value="Limit to Globally unique IDs using a URI ( could be a URL)."/>
      <alias value="Placer ID"/>
      <alias value="Filler ID"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DiagnosticOrder.identifier"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Identifier"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value=".id"/>
      </mapping>
      <mapping>
        <identity value="w5"/>
        <map value="id"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.identifier.id"/>
      <representation value="xmlAttr"/>
      <short value="xml:id (or equivalent in JSON)"/>
      <definition value="unique id for the element within a resource (for internal references)."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Identifier.id"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.identifier.extension"/>
      <short value="Additional Content defined by implementations"/>
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element. In order to make the use of extensions safe and manageable, there is a
       strict set of governance  applied to the definition and use of extensions. Though any
       implementer is allowed to define an extension, there is a set of requirements that SHALL
       be met as part of the definition of the extension."/>
      <comments value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="Identifier.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.identifier.use"/>
      <short value="usual | official | temp | secondary (If known)"/>
      <definition value="The purpose of this identifier."/>
      <comments value="This is labeled as &quot;Is Modifier&quot; because applications should not mistake a temporary
       id for a permanent one. Applications can assume that an identifier is permanent unless
       it explicitly says that it is temporary."/>
      <requirements value="Allows the appropriate identifier for a particular context of use to be selected from
       among a set of identifiers."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="Identifier.use"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <fixedCode value="official"/>
      <mustSupport value="true"/>
      <isModifier value="true"/>
      <isSummary value="true"/>
      <binding>
        <strength value="required"/>
        <description value="Identifies the purpose for this identifier, if known ."/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/identifier-use"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="v2"/>
        <map value="N/A"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="Role.code or implied by context"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.identifier.type"/>
      <short value="Description of identifier"/>
      <definition value="A coded type for the identifier that can be used to determine which identifier to use
       for a specific purpose."/>
      <comments value="This element deals only with general categories of identifiers.  It SHOULD not be used
       for codes that correspond 1..1 with the Identifier.system. Some identifiers may fall into
       multiple categories due to common usage.   Where the system is known, a type is unnecessary
       because the type is always part of the system definition. However systems often need to
       handle identifiers where the system is not known. There is not a 1:1 relationship between
       type and system, since many different systems have the same type."/>
      <requirements value="Allows users to make use of identifiers when the identifier system is not known."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Identifier.type"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="CodeableConcept"/>
      </type>
      <isSummary value="true"/>
      <binding>
        <strength value="extensible"/>
        <description value="A coded type for an identifier that can be used to determine which identifier to use for
         a specific purpose."/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/identifier-type"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="v2"/>
        <map value="CX.5"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="Role.code or implied by context"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.identifier.system"/>
      <short value="The namespace for the identifier"/>
      <definition value="Establishes the namespace in which set of possible id values is unique."/>
      <requirements value="There are many sequences of identifiers.  To perform matching, we need to know what sequence
       we're dealing with. The system identifies a particular sequence or set of unique identifiers."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="Identifier.system"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="uri"/>
      </type>
      <exampleUri value="http://www.acme.com/identifiers/patient or urn:ietf:rfc:3986 if the Identifier.value itself
       is a full uri"/>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="v2"/>
        <map value="CX.4 / EI-2-4"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="II.root or Role.id.root"/>
      </mapping>
      <mapping>
        <identity value="servd"/>
        <map value="./IdentifierType"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.identifier.value"/>
      <short value="The value that is unique"/>
      <definition value="The portion of the identifier typically displayed to the user and which is unique within
       the context of the system."/>
      <comments value="If the value is a full URI, then the system SHALL be urn:ietf:rfc:3986."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="Identifier.value"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <exampleString value="123456"/>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="v2"/>
        <map value="CX.1 / EI.1"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="II.extension or II.root if system indicates OID or GUID (Or Role.id.extension or root)"/>
      </mapping>
      <mapping>
        <identity value="servd"/>
        <map value="./Value"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.identifier.period"/>
      <short value="Time period when id is/was valid for use"/>
      <definition value="Time period during which identifier is/was valid for use."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Identifier.period"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Period"/>
      </type>
      <isSummary value="true"/>
      <mapping>
        <identity value="v2"/>
        <map value="CX.7 + CX.8"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="Role.effectiveTime or implied by context"/>
      </mapping>
      <mapping>
        <identity value="servd"/>
        <map value="./StartDate and ./EndDate"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.identifier.assigner"/>
      <short value="Organization that issued id (may be just text)"/>
      <definition value="Organization that issued/manages the identifier."/>
      <comments value="The reference may be just a text description of the assigner."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Identifier.assigner"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Organization"/>
      </type>
      <isSummary value="true"/>
      <mapping>
        <identity value="v2"/>
        <map value="CX.4 / (CX.4,CX.9,CX.10)"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="II.assigningAuthorityName but note that this is an improper use by the definition of the
         field.  Also Role.scoper"/>
      </mapping>
      <mapping>
        <identity value="servd"/>
        <map value="./IdentifierIssuingAuthority"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.encounter"/>
      <short value="The encounter that this diagnostic order is associated with"/>
      <definition value="An encounter that provides additional information about the healthcare context in which
       this request is made."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DiagnosticOrder.encounter"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/daf-encounter"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value=".inboundRelationship[typeCode=COMP].source[classCode=ENC, moodCode=EVN]"/>
      </mapping>
      <mapping>
        <identity value="w5"/>
        <map value="context"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.reason"/>
      <short value="Explanation/Justification for test"/>
      <definition value="An explanation or justification for why this diagnostic investigation is being requested.
         This is often for billing purposes.  May relate to the resources referred to in supportingInformat
      ion."/>
      <comments value="This may be used to decide how the diagnostic investigation will be performed, or even
       if it will be performed at all.   Use CodeableConcept text element if the data is free
       (uncoded) text as shown in the [CT Scan example](diagnosticorder-example-di.html)."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DiagnosticOrder.reason"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="CodeableConcept"/>
      </type>
      <mustSupport value="true"/>
      <binding>
        <strength value="example"/>
        <description value="Diagnosis or problem codes justifying the reason for requesting the diagnostic investigation."/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/condition-code"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="rim"/>
        <map value=".reasonCode"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.supportingInformation"/>
      <slicing>
        <discriminator value="@Profile"/>
        <discriminator value="@type"/>
        <ordered value="false"/>
        <rules value="open"/>
      </slicing>
      <short value="Additional clinical information"/>
      <definition value="Additional clinical information about the patient or specimen that may influence test
       interpretations.  This includes observations explicitly requested by the producer(filler)
       to provide context or supporting information needed to complete the order."/>
      <comments value="This information includes diagnosis, clinical findings and other observations.  In laboratory
       ordering these are typically referred to as &quot;ask at order entry questions (AOEs)&quot;.
       Examples include reporting the amount of inspired oxygen for blood gasses, the point in
       the menstrual cycle for cervical pap tests, and other conditions that influence test interpretations
      ."/>
      <alias value="Ask at order entry question"/>
      <alias value="AOE"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DiagnosticOrder.supportingInformation"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Observation"/>
      </type>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Condition"/>
      </type>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/DocumentReference"/>
      </type>
      <mapping>
        <identity value="v2"/>
        <map value="OBR-13"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="outboundRelationship[typeCode=SPRT]/target[classCode=ACT, moodCode=EVN]"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.supportingInformation"/>
      <name value="DAFSupportingInformation"/>
      <short value="Additional clinical information"/>
      <definition value="Additional clinical information about the patient or specimen that may influence test
       interpretations.  This includes observations explicitly requested by the producer(filler)
       to provide context or supporting information needed to complete the order."/>
      <comments value="AOES are captured in the USLabObservation resource and Reasons for the testing in USLabCondition."/>
      <requirements value="AOES are captured in the USLabObservation resource and Reasons for the testing in USLabCondition."/>
      <alias value="Ask at order entry question"/>
      <alias value="AOE"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DiagnosticOrder.supportingInformation"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/daf-resultobs"/>
      </type>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/daf-condition"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="v2"/>
        <map value="OBR-13"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="outboundRelationship[typeCode=SPRT]/target[classCode=ACT, moodCode=EVN]"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.specimen"/>
      <short value="If the whole order relates to specific specimens"/>
      <definition value="One or more specimens that the diagnostic investigation is about."/>
      <comments value="Many investigation requests will create a need for specimens, but the request itself is
       not actually about the specimens. This is provided for when the diagnostic investigation
       is requested on already existing specimens."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DiagnosticOrder.specimen"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Specimen"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value=".participation[typeCode=SPC].role"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.status"/>
      <short value="proposed | draft | planned | requested | received | accepted | in-progress | review |
       completed | cancelled | suspended | rejected | failed"/>
      <definition value="The status of the order."/>
      <comments value="Typically the system placing the order sets the status to &quot;requested&quot;. Thereafter,
       the order is maintained by the receiver that updates the status as the request is handled."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="DiagnosticOrder.status"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <mustSupport value="true"/>
      <isModifier value="true"/>
      <isSummary value="true"/>
      <binding>
        <strength value="required"/>
        <description value="The status of a diagnostic order."/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/diagnostic-order-status"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="rim"/>
        <map value=".statusCode also influenced by whether a ControlAct fulfillment requeste exists, whether
         a promise exists, status of the review component, whether a fulfilling observation exists,
         whether a refusal exists"/>
      </mapping>
      <mapping>
        <identity value="w5"/>
        <map value="status"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.priority"/>
      <short value="routine | urgent | stat | asap"/>
      <definition value="The clinical priority associated with this order."/>
      <comments value="The Order resource also has a priority. Generally, these should be the same, but they
       can be different. For instance, where the clinician indicates the order is urgent, but
       the subsequent workflow process overrules the priority for some reason. The effective
       default value is &quot;normal&quot;."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="DiagnosticOrder.priority"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <binding>
        <strength value="required"/>
        <description value="The clinical priority of a diagnostic order."/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/diagnostic-order-priority"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="rim"/>
        <map value=".priorityCode"/>
      </mapping>
      <mapping>
        <identity value="w5"/>
        <map value="grade"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.event"/>
      <name value="event"/>
      <short value="A list of events of interest in the lifecycle"/>
      <definition value="A summary of the events of interest that have occurred as the request is processed; e.g.
       when the order was made, various processing steps (specimens received), when it was completed."/>
      <comments value="This is not the same as an audit trail. It is a view of the important things that happened
       in the past. Typically, there would only be one entry for any given status, and systems
       may not record all the status events."/>
      <min value="1"/>
      <max value="*"/>
      <base>
        <path value="DiagnosticOrder.event"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="BackboneElement"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value=".inboundRelationship[typeCode=FLFS].source"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.event.id"/>
      <representation value="xmlAttr"/>
      <short value="xml:id (or equivalent in JSON)"/>
      <definition value="unique id for the element within a resource (for internal references)."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DiagnosticOrder.event.id"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.event.extension"/>
      <short value="Additional Content defined by implementations"/>
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element. In order to make the use of extensions safe and manageable, there is a
       strict set of governance  applied to the definition and use of extensions. Though any
       implementer is allowed to define an extension, there is a set of requirements that SHALL
       be met as part of the definition of the extension."/>
      <comments value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DiagnosticOrder.event.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.event.modifierExtension"/>
      <short value="Extensions that cannot be ignored"/>
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element, and that modifies the understanding of the element that contains it. Usually
       modifier elements provide negation or qualification. In order to make the use of extensions
       safe and manageable, there is a strict set of governance applied to the definition and
       use of extensions. Though any implementer is allowed to define an extension, there is
       a set of requirements that SHALL be met as part of the definition of the extension. Applications
       processing a resource are required to check for modifier extensions."/>
      <comments value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <alias value="modifiers"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DiagnosticOrder.event.modifierExtension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <isModifier value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.event.status"/>
      <short value="proposed | draft | planned | requested | received | accepted | in-progress | review |
       completed | cancelled | suspended | rejected | failed"/>
      <definition value="The status for the event."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="DiagnosticOrder.event.status"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <isSummary value="true"/>
      <binding>
        <strength value="required"/>
        <description value="The status of a diagnostic order."/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/diagnostic-order-status"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="rim"/>
        <map value=".statusCode also influenced by whether a ControlAct fulfillment requeste exists, whether
         a promise exists, status of the review component, whether a fulfilling observation exists,
         whether a refusal exists"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.event.description"/>
      <short value="More information about the event and its context"/>
      <definition value="Additional information about the event that occurred - e.g. if the status remained unchanged."/>
      <comments value="These codes capture the Use cases for LOI."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="DiagnosticOrder.event.description"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="CodeableConcept"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <binding>
        <strength value="extensible"/>
        <description value="Information about an event that occurred to a diagnostic order that corresponds to the
         USLabOrder Use Cases"/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/uslab-do-event"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="rim"/>
        <map value=".text"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.event.description.id"/>
      <representation value="xmlAttr"/>
      <short value="xml:id (or equivalent in JSON)"/>
      <definition value="unique id for the element within a resource (for internal references)."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="CodeableConcept.id"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.event.description.extension"/>
      <short value="Additional Content defined by implementations"/>
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element. In order to make the use of extensions safe and manageable, there is a
       strict set of governance  applied to the definition and use of extensions. Though any
       implementer is allowed to define an extension, there is a set of requirements that SHALL
       be met as part of the definition of the extension."/>
      <comments value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="CodeableConcept.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.event.description.coding"/>
      <short value="Code defined by a terminology system"/>
      <definition value="A reference to a code defined by a terminology system."/>
      <comments value="Codes may be defined very casually in enumerations, or code lists, up to very formal definitions
       such as SNOMED CT - see the HL7 v3 Core Principles for more information.  Ordering of
       codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one
       of the coding values will be labelled as UserSelected = true."/>
      <requirements value="Allows for translations and alternate encodings within a code system.  Also supports communication
       of the same instance to systems requiring different encodings."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="CodeableConcept.coding"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Coding"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="orim"/>
        <map value="fhir:CodeableConcept.coding rdfs:subPropertyOf dt:CD.coding"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="C*E.1-8, C*E.10-22"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="union(., ./translation)"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.event.description.coding.id"/>
      <representation value="xmlAttr"/>
      <short value="xml:id (or equivalent in JSON)"/>
      <definition value="unique id for the element within a resource (for internal references)."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Coding.id"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.event.description.coding.extension"/>
      <short value="Additional Content defined by implementations"/>
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element. In order to make the use of extensions safe and manageable, there is a
       strict set of governance  applied to the definition and use of extensions. Though any
       implementer is allowed to define an extension, there is a set of requirements that SHALL
       be met as part of the definition of the extension."/>
      <comments value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="Coding.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.event.description.coding.system"/>
      <short value="Identity of the terminology system"/>
      <definition value="The identification of the code system that defines the meaning of the symbol in the code."/>
      <comments value="The URI may be an OID (urn:oid:...) or a UUID (urn:uuid:...).  OIDs and UUIDs SHALL be
       references to the HL7 OID registry. Otherwise, the URI should come from HL7's list of
       FHIR defined special URIs or it should de-reference to some definition that establish
       the system clearly and unambiguously."/>
      <requirements value="Need to be unambiguous about the source of the definition of the symbol."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="Coding.system"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="uri"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="orim"/>
        <map value="fhir:Coding.system rdfs:subPropertyOf dt:CDCoding.codeSystem"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="C*E.3"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="./codeSystem"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.event.description.coding.version"/>
      <short value="Version of the system - if relevant"/>
      <definition value="The version of the code system which was used when choosing this code. Note that a well-maintained
       code system does not need the version reported, because the meaning of codes is consistent
       across versions. However this cannot consistently be assured. and when the meaning is
       not guaranteed to be consistent, the version SHOULD be exchanged."/>
      <comments value="Where the terminology does not clearly define what string should be used to identify code
       system versions, the recommendation is to use the date (expressed in FHIR date format)
       on which that version was officially published as the version date."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Coding.version"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <isSummary value="true"/>
      <mapping>
        <identity value="orim"/>
        <map value="fhir:Coding.version rdfs:subPropertyOf dt:CDCoding.codeSystemVersion"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="C*E.7"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="./codeSystemVersion"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.event.description.coding.code"/>
      <short value="Symbol in syntax defined by the system"/>
      <definition value="A symbol in syntax defined by the system. The symbol may be a predefined code or an expression
       in a syntax defined by the coding system (e.g. post-coordination)."/>
      <requirements value="Need to refer to a particular code in the system."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="Coding.code"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="orim"/>
        <map value="fhir:Coding.code rdfs:subPropertyOf dt:CDCoding.code"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="C*E.1"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="./code"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.event.description.coding.display"/>
      <short value="Representation defined by the system"/>
      <definition value="A representation of the meaning of the code in the system, following the rules of the
       system."/>
      <requirements value="Need to be able to carry a human-readable meaning of the code for readers that do not
       know  the system."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Coding.display"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <isSummary value="true"/>
      <mapping>
        <identity value="orim"/>
        <map value="fhir:Coding.display rdfs:subPropertyOf dt:CDCoding.displayName"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="C*E.2 - but note this is not well followed"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="CV.displayName"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.event.description.coding.userSelected"/>
      <short value="If this coding was chosen directly by the user"/>
      <definition value="Indicates that this coding was chosen by a user directly - i.e. off a pick list of available
       items (codes or displays)."/>
      <comments value="Amongst a set of alternatives, a directly chosen code is the most appropriate starting
       point for new translations. There is some ambiguity about what exactly 'directly chosen'
       implies, and trading partner agreement may be needed to clarify the use of this element
       and its consequences more completely."/>
      <requirements value="This has been identified as a clinical safety criterium - that this exact system/code
       pair was chosen explicitly, rather than inferred by the system based on some rules or
       language processing."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Coding.userSelected"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
      <isSummary value="true"/>
      <mapping>
        <identity value="orim"/>
        <map value="fhir:Coding.userSelected fhir:mapsTo dt:CDCoding.codingRationale. fhir:Coding.userSelected
         fhir:hasMap fhir:Coding.userSelected.map. fhir:Coding.userSelected.map a fhir:Map;   fhir:target
         dt:CDCoding.codingRationale. fhir:Coding.userSelected\#true a [     fhir:source &quot;true&quot;;
             fhir:target dt:CDCoding.codingRationale\#O   ]"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="Sometimes implied by being first"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="CD.codingRationale"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.event.description.text"/>
      <short value="Plain text representation of the concept"/>
      <definition value="A human language representation of the concept as seen/selected/uttered by the user who
       entered the data and/or which represents the intended meaning of the user."/>
      <comments value="Very often the text is the same as a displayName of one of the codings."/>
      <requirements value="The codes from the terminologies do not always capture the correct meaning with all the
       nuances of the human using them, or sometimes there is no appropriate code at all. In
       these cases, the text is used to capture the full meaning of the source."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="CodeableConcept.text"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <isSummary value="true"/>
      <mapping>
        <identity value="orim"/>
        <map value="fhir:CodeableConcept.text rdfs:subPropertyOf dt:CD.originalText"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="C*E.9. But note many systems use C*E.2 for this"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="./originalText[mediaType/code=&quot;text/plain&quot;]/data"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.event.dateTime"/>
      <short value="The date at which the event happened"/>
      <definition value="The date/time at which the event occurred."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="DiagnosticOrder.event.dateTime"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="dateTime"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value=".effectiveTime"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.event.actor"/>
      <short value="Who recorded or did this"/>
      <definition value="The person responsible for performing or recording the action."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DiagnosticOrder.event.actor"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Practitioner"/>
      </type>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Device"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value=".participation[AUT or PFM]"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.item"/>
      <short value="The items the orderer requested"/>
      <definition value="The specific diagnostic investigations that are requested as part of this request. Sometimes,
       there can only be one item per request, but in most contexts, more than one investigation
       can be requested."/>
      <comments value="There would always be at least one item in normal usage, but this is optional so that
       a workflow can quote order details without having to list the items."/>
      <min value="1"/>
      <max value="*"/>
      <base>
        <path value="DiagnosticOrder.item"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="BackboneElement"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value=".outboundRelationship[typeCode=COMP].target[classCode=OBS, moodCode=OBS]"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.item.id"/>
      <representation value="xmlAttr"/>
      <short value="xml:id (or equivalent in JSON)"/>
      <definition value="unique id for the element within a resource (for internal references)."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DiagnosticOrder.item.id"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.item.extension"/>
      <short value="Additional Content defined by implementations"/>
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element. In order to make the use of extensions safe and manageable, there is a
       strict set of governance  applied to the definition and use of extensions. Though any
       implementer is allowed to define an extension, there is a set of requirements that SHALL
       be met as part of the definition of the extension."/>
      <comments value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DiagnosticOrder.item.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.item.modifierExtension"/>
      <short value="Extensions that cannot be ignored"/>
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element, and that modifies the understanding of the element that contains it. Usually
       modifier elements provide negation or qualification. In order to make the use of extensions
       safe and manageable, there is a strict set of governance applied to the definition and
       use of extensions. Though any implementer is allowed to define an extension, there is
       a set of requirements that SHALL be met as part of the definition of the extension. Applications
       processing a resource are required to check for modifier extensions."/>
      <comments value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <alias value="modifiers"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DiagnosticOrder.item.modifierExtension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <isModifier value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.item.code"/>
      <short value="US Realm Laboratory Report Order Code"/>
      <definition value="The test, panel or battery that was ordered."/>
      <comments value="Use the appropriate LOINC or local code as provided by laboratory.   FHIR Value set resources
       binding to each laboratory's compendium of service is done at implementation usign the
       FHIR Value set resources or some other mechanism.  Systems SHALL be capable of sending/consuming
       the local code if one exists."/>
      <requirements value="Requires at least a code, code system an d display text."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="DiagnosticOrder.item.code"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="CodeableConcept"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <binding>
        <strength value="extensible"/>
        <description value="LOINC codes"/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/uslab-obs-codes"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="v2"/>
        <map value="OBX-4"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".code"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.item.code.id"/>
      <representation value="xmlAttr"/>
      <short value="xml:id (or equivalent in JSON)"/>
      <definition value="unique id for the element within a resource (for internal references)."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="CodeableConcept.id"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.item.code.extension"/>
      <short value="Additional Content defined by implementations"/>
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element. In order to make the use of extensions safe and manageable, there is a
       strict set of governance  applied to the definition and use of extensions. Though any
       implementer is allowed to define an extension, there is a set of requirements that SHALL
       be met as part of the definition of the extension."/>
      <comments value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="CodeableConcept.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.item.code.coding"/>
      <short value="Standard and local codes may be included here by repeating the coding element with a different
       coding.system."/>
      <definition value="Standard and local codes may be included here by repeating the coding element with a different
       coding.system."/>
      <comments value="Codes may be defined very casually in enumerations, or code lists, up to very formal definitions
       such as SNOMED CT - see the HL7 v3 Core Principles for more information.  Ordering of
       codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one
       of the coding values will be labelled as UserSelected = true."/>
      <requirements value="Allows for translations and alternate encodings within a code system.  Also supports communication
       of the same instance to systems requiring different encodings."/>
      <min value="1"/>
      <max value="*"/>
      <base>
        <path value="CodeableConcept.coding"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Coding"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="orim"/>
        <map value="fhir:CodeableConcept.coding rdfs:subPropertyOf dt:CD.coding"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="C*E.1-8, C*E.10-22"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="union(., ./translation)"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.item.code.coding.id"/>
      <representation value="xmlAttr"/>
      <short value="xml:id (or equivalent in JSON)"/>
      <definition value="unique id for the element within a resource (for internal references)."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Coding.id"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.item.code.coding.extension"/>
      <short value="Additional Content defined by implementations"/>
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element. In order to make the use of extensions safe and manageable, there is a
       strict set of governance  applied to the definition and use of extensions. Though any
       implementer is allowed to define an extension, there is a set of requirements that SHALL
       be met as part of the definition of the extension."/>
      <comments value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="Coding.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.item.code.coding.system"/>
      <short value="Identity of the terminology system"/>
      <definition value="The identification of the code system that defines the meaning of the symbol in the code."/>
      <comments value="The URI may be an OID (urn:oid:...) or a UUID (urn:uuid:...).  OIDs and UUIDs SHALL be
       references to the HL7 OID registry. Otherwise, the URI should come from HL7's list of
       FHIR defined special URIs or it should de-reference to some definition that establish
       the system clearly and unambiguously."/>
      <requirements value="Need to be unambiguous about the source of the definition of the symbol."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="Coding.system"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="uri"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="orim"/>
        <map value="fhir:Coding.system rdfs:subPropertyOf dt:CDCoding.codeSystem"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="C*E.3"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="./codeSystem"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.item.code.coding.version"/>
      <short value="Version of the system - if relevant"/>
      <definition value="The version of the code system which was used when choosing this code. Note that a well-maintained
       code system does not need the version reported, because the meaning of codes is consistent
       across versions. However this cannot consistently be assured. and when the meaning is
       not guaranteed to be consistent, the version SHOULD be exchanged."/>
      <comments value="Where the terminology does not clearly define what string should be used to identify code
       system versions, the recommendation is to use the date (expressed in FHIR date format)
       on which that version was officially published as the version date."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Coding.version"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <isSummary value="true"/>
      <mapping>
        <identity value="orim"/>
        <map value="fhir:Coding.version rdfs:subPropertyOf dt:CDCoding.codeSystemVersion"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="C*E.7"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="./codeSystemVersion"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.item.code.coding.code"/>
      <short value="Symbol in syntax defined by the system"/>
      <definition value="A symbol in syntax defined by the system. The symbol may be a predefined code or an expression
       in a syntax defined by the coding system (e.g. post-coordination)."/>
      <comments value="Logical Observation Identifiers Names and Codes (LOINC) is a database and universal standard
       for identifying medical laboratory observations."/>
      <requirements value="Need to refer to a particular code in the system."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="Coding.code"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="orim"/>
        <map value="fhir:Coding.code rdfs:subPropertyOf dt:CDCoding.code"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="C*E.1"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="./code"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.item.code.coding.display"/>
      <short value="Representation defined by the system"/>
      <definition value="A representation of the meaning of the code in the system, following the rules of the
       system."/>
      <comments value="The LOINC  'long common name' is preferred although the LOINC 'short name' or the LOINC
       'fully-specified name can also be used.  ( http://lionc.org.terms-of-use)."/>
      <requirements value="Need to be able to carry a human-readable meaning of the code for readers that do not
       know  the system."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Coding.display"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="orim"/>
        <map value="fhir:Coding.display rdfs:subPropertyOf dt:CDCoding.displayName"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="C*E.2 - but note this is not well followed"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="CV.displayName"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.item.code.coding.userSelected"/>
      <short value="If this coding was chosen directly by the user"/>
      <definition value="Indicates that this coding was chosen by a user directly - i.e. off a pick list of available
       items (codes or displays)."/>
      <comments value="Amongst a set of alternatives, a directly chosen code is the most appropriate starting
       point for new translations. There is some ambiguity about what exactly 'directly chosen'
       implies, and trading partner agreement may be needed to clarify the use of this element
       and its consequences more completely."/>
      <requirements value="This has been identified as a clinical safety criterium - that this exact system/code
       pair was chosen explicitly, rather than inferred by the system based on some rules or
       language processing."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Coding.userSelected"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
      <isSummary value="true"/>
      <mapping>
        <identity value="orim"/>
        <map value="fhir:Coding.userSelected fhir:mapsTo dt:CDCoding.codingRationale. fhir:Coding.userSelected
         fhir:hasMap fhir:Coding.userSelected.map. fhir:Coding.userSelected.map a fhir:Map;   fhir:target
         dt:CDCoding.codingRationale. fhir:Coding.userSelected\#true a [     fhir:source &quot;true&quot;;
             fhir:target dt:CDCoding.codingRationale\#O   ]"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="Sometimes implied by being first"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="CD.codingRationale"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.item.code.text"/>
      <short value="Plain text representation of the concept"/>
      <definition value="A human language representation of the concept as seen/selected/uttered by the user who
       entered the data and/or which represents the intended meaning of the user."/>
      <comments value="Very often the text is the same as a displayName of one of the codings."/>
      <requirements value="The codes from the terminologies do not always capture the correct meaning with all the
       nuances of the human using them, or sometimes there is no appropriate code at all. In
       these cases, the text is used to capture the full meaning of the source."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="CodeableConcept.text"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="orim"/>
        <map value="fhir:CodeableConcept.text rdfs:subPropertyOf dt:CD.originalText"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="C*E.9. But note many systems use C*E.2 for this"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="./originalText[mediaType/code=&quot;text/plain&quot;]/data"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.item.specimen"/>
      <short value="If this item relates to specific specimens"/>
      <definition value="If the item is related to a specific specimen."/>
      <comments value="A single specimen should not appear in both DiagnosticOrder.specimen and DiagnosticOrder.item.specim
      en."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DiagnosticOrder.item.specimen"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Specimen"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value=".participation[typeCode=SPC].role"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.item.bodySite"/>
      <short value="Location of requested test (if applicable)"/>
      <definition value="Anatomical location where the request test should be performed.  This is the target site."/>
      <comments value="If the use case requires BodySite to be handled as a separate resource instead of an inline
       coded element (e.g. to identify and track separately)  then use the standard extension
       [body-site-instance](extension-body-site-instance.html)."/>
      <alias value="location"/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DiagnosticOrder.item.bodySite"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="CodeableConcept"/>
      </type>
      <binding>
        <strength value="example"/>
        <description value="Codes describing anatomical locations. May include laterality."/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/body-site"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="rim"/>
        <map value="targetSiteCode"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.item.status"/>
      <short value="proposed | draft | planned | requested | received | accepted | in-progress | review |
       completed | cancelled | suspended | rejected | failed"/>
      <definition value="The status of this individual item within the order."/>
      <comments value="Typically the system placing the order sets the status to requested. There after, the
       order is maintained by the receiver that updates the status as the request is handled."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="DiagnosticOrder.item.status"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <binding>
        <strength value="required"/>
        <description value="The status of a diagnostic order."/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/diagnostic-order-status"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="rim"/>
        <map value=".statusCode also influenced by whether a ControlAct fulfillment requeste exists, whether
         a promise exists, status of the review component, whether a fulfilling observation exists,
         whether a refusal exists"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.item.event"/>
      <short value="Events specific to this item"/>
      <definition value="A summary of the events of interest that have occurred as this item of the request is
       processed."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DiagnosticOrder.item.event"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <nameReference value="event"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value=".inboundRelationship[typeCode=FLFS].source"/>
      </mapping>
    </element>
    <element>
      <path value="DiagnosticOrder.note"/>
      <short value="Other notes and comments"/>
      <definition value="Any other notes associated with this patient, specimen or order (e.g. &quot;patient hates
       needles&quot;)."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DiagnosticOrder.note"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Annotation"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value=".inboundRelationship[typeCode=SUBJ].source[classCode=OBS, moodCode=EVN, code=&quot;annotation&quot;]
        .value"/>
      </mapping>
    </element>
  </snapshot>
  <differential>
    <element>
      <path value="DiagnosticOrder"/>
      <name value="DAF-DiagnosticOrder"/>
      <alias value="DO"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="DiagnosticOrder"/>
      </type>
    </element>
    <element>
      <path value="DiagnosticOrder.subject"/>
      <requirements value="Limited to single patient per Diagnostic Order (Requisition)."/>
      <alias value="Patient"/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/daf-patient"/>
      </type>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DiagnosticOrder.orderer"/>
      <requirements value="Limited to single orderer per Diagnostic Order (Requisition)."/>
      <alias value="Ordering Provider"/>
      <alias value="OP"/>
      <alias value="Submitter"/>
      <alias value="Placer"/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/daf-pract"/>
      </type>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DiagnosticOrder.identifier"/>
      <requirements value="Limit to Globally unique IDs using a URI ( could be a URL)."/>
      <alias value="Placer ID"/>
      <alias value="Filler ID"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="Identifier"/>
      </type>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DiagnosticOrder.identifier.use"/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="code"/>
      </type>
      <fixedCode value="official"/>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DiagnosticOrder.identifier.system"/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="uri"/>
      </type>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DiagnosticOrder.identifier.value"/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="string"/>
      </type>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DiagnosticOrder.encounter"/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/daf-encounter"/>
      </type>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DiagnosticOrder.reason"/>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DiagnosticOrder.supportingInformation"/>
      <slicing>
        <discriminator value="@Profile"/>
        <discriminator value="@type"/>
        <ordered value="false"/>
        <rules value="open"/>
      </slicing>
      <max value="*"/>
    </element>
    <element>
      <path value="DiagnosticOrder.supportingInformation"/>
      <name value="DAFSupportingInformation"/>
      <comments value="AOES are captured in the USLabObservation resource and Reasons for the testing in USLabCondition."/>
      <requirements value="AOES are captured in the USLabObservation resource and Reasons for the testing in USLabCondition."/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/daf-resultobs"/>
      </type>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/daf-condition"/>
      </type>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DiagnosticOrder.status"/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="code"/>
      </type>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DiagnosticOrder.priority"/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="code"/>
      </type>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DiagnosticOrder.event"/>
      <min value="1"/>
      <max value="*"/>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DiagnosticOrder.event.description"/>
      <comments value="These codes capture the Use cases for LOI."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="CodeableConcept"/>
      </type>
      <mustSupport value="true"/>
      <binding>
        <strength value="extensible"/>
        <description value="Information about an event that occurred to a diagnostic order that corresponds to the
         USLabOrder Use Cases"/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/uslab-do-event"/>
        </valueSetReference>
      </binding>
    </element>
    <element>
      <path value="DiagnosticOrder.event.description.coding"/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="Coding"/>
      </type>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DiagnosticOrder.event.description.coding.system"/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="uri"/>
      </type>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DiagnosticOrder.event.description.coding.code"/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="code"/>
      </type>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DiagnosticOrder.event.dateTime"/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="dateTime"/>
      </type>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DiagnosticOrder.item"/>
      <min value="1"/>
      <max value="*"/>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DiagnosticOrder.item.code"/>
      <short value="US Realm Laboratory Report Order Code"/>
      <definition value="The test, panel or battery that was ordered."/>
      <comments value="Use the appropriate LOINC or local code as provided by laboratory.   FHIR Value set resources
       binding to each laboratory's compendium of service is done at implementation usign the
       FHIR Value set resources or some other mechanism.  Systems SHALL be capable of sending/consuming
       the local code if one exists."/>
      <requirements value="Requires at least a code, code system an d display text."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="CodeableConcept"/>
      </type>
      <mustSupport value="true"/>
      <binding>
        <strength value="extensible"/>
        <description value="LOINC codes"/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/uslab-obs-codes"/>
        </valueSetReference>
      </binding>
    </element>
    <element>
      <path value="DiagnosticOrder.item.code.coding"/>
      <short value="Standard and local codes may be included here by repeating the coding element with a different
       coding.system."/>
      <definition value="Standard and local codes may be included here by repeating the coding element with a different
       coding.system."/>
      <min value="1"/>
      <max value="*"/>
      <type>
        <code value="Coding"/>
      </type>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DiagnosticOrder.item.code.coding.system"/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="uri"/>
      </type>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DiagnosticOrder.item.code.coding.code"/>
      <comments value="Logical Observation Identifiers Names and Codes (LOINC) is a database and universal standard
       for identifying medical laboratory observations."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="code"/>
      </type>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DiagnosticOrder.item.code.coding.display"/>
      <comments value="The LOINC  'long common name' is preferred although the LOINC 'short name' or the LOINC
       'fully-specified name can also be used.  ( http://lionc.org.terms-of-use)."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="string"/>
      </type>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DiagnosticOrder.item.code.text"/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="string"/>
      </type>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DiagnosticOrder.item.bodySite"/>
      <min value="0"/>
      <max value="1"/>
    </element>
    <element>
      <path value="DiagnosticOrder.item.status"/>
      <comments value="Typically the system placing the order sets the status to requested. There after, the
       order is maintained by the receiver that updates the status as the request is handled."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="code"/>
      </type>
      <mustSupport value="true"/>
    </element>
  </differential>
</StructureDefinition>