R6 Ballot (1st Draft)
DiagnosticsThis page is part of the FHIR Specification v6.0.0-ballot1: Release 6 Ballot (1st Draft) (see Ballot Notes). The current version is 5.0.0. For a full list of available versions, see the Directory of published versions 
| Orders and Observations Work Group | Maturity Level: 0 | Trial Use | Use Context: Not yet ready for Production use |
ExampleLipidProfile
<?xml version="1.0" encoding="UTF-8"?> <StructureDefinition xmlns="http://hl7.org/fhir"> <id value="hdlcholesterol"/> <text> <status value="generated"/> <div xmlns="http://www.w3.org/1999/xhtml">to do</div> </text> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm"> <valueInteger value="1"/> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"> <valueCode value="oo"/> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status"> <valueCode value="trial-use"/> </extension> <url value="http://hl7.org/fhir/StructureDefinition/hdlcholesterol"/> <identifier> <system value="urn:ietf:rfc:3986"/> <value value="urn:oid:2.16.840.1.113883.4.642.5.1396"/> </identifier> <version value="6.0.0-ballot1"/> <name value="ExampleLipidProfile"/> <title value="Example Lipid Profile"/> <status value="draft"/> <experimental value="true"/> <date value="2012-05-12"/> <publisher value="HL7 International / Orders and Observations"/> <contact> <telecom> <system value="url"/> <value value="grahame@healthintersections.com.au"/> </telecom> </contact> <contact> <telecom> <system value="url"/> <value value="http://www.hl7.org/Special/committees/orders"/> </telecom> </contact> <description value="HDL Cholesterol Result"/> <fhirVersion value="6.0.0-ballot1"/> <mapping> <identity value="workflow"/> <uri value="http://hl7.org/fhir/workflow"/> <name value="Workflow Pattern"/> </mapping> <mapping> <identity value="sct-concept"/> <uri value="http://snomed.info/conceptdomain"/> <name value="SNOMED CT Concept Domain Binding"/> </mapping> <mapping> <identity value="v2"/> <uri value="http://hl7.org/v2"/> <name value="HL7 V2 Mapping"/> </mapping> <mapping> <identity value="rim"/> <uri value="http://hl7.org/v3"/> <name value="RIM Mapping"/> </mapping> <mapping> <identity value="w5"/> <uri value="http://hl7.org/fhir/fivews"/> <name value="FiveWs Pattern Mapping"/> </mapping> <mapping> <identity value="sct-attr"/> <uri value="http://snomed.org/attributebinding"/> <name value="SNOMED CT Attribute Binding"/> </mapping> <kind value="resource"/> <abstract value="false"/> <type value="Observation"/> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Observation"/> <derivation value="constraint"/> <snapshot> <element id="Observation"> <path value="Observation"/> <short value="HDL Cholesterol Result"/> <definition value="Group of elements for HDL Cholesterol result."/> <comment value="Used for simple observations such as device measurements, laboratory atomic results, vital signs, height, weight, smoking status, comments, etc. Other resources are used to provide context for observations such as laboratory reports, etc."/> <alias value="Vital Signs"/> <alias value="Measurement"/> <alias value="Results"/> <alias value="Tests"/> <min value="1"/> <max value="1"/> <base> <path value="Observation"/> <min value="0"/> <max value="*"/> </base> <constraint> <key value="dom-2"/> <severity value="error"/> <human value="If the resource is contained in another resource, it SHALL NOT contain nested Resources"/> <expression value="contained.contained.empty()"/> <source value="http://hl7.org/fhir/StructureDefinition/DomainResource"/> </constraint> <constraint> <key value="dom-3"/> <severity value="error"/> <human value="If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource"/> <expression value="contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().ofTy pe(canonical) | %resource.descendants().ofType(uri) | %resource.descendants().ofType(url))) or descendants().where(reference = '#').exists() or descendants().where(ofType(canonical) = '#').exists() or descendants().where(ofType(canonical) = '#').exists()).not()).trace('unmat ched', id).empty()"/> <source value="http://hl7.org/fhir/StructureDefinition/DomainResource"/> </constraint> <constraint> <key value="dom-4"/> <severity value="error"/> <human value="If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated"/> <expression value="contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()"/> <source value="http://hl7.org/fhir/StructureDefinition/DomainResource"/> </constraint> <constraint> <key value="dom-5"/> <severity value="error"/> <human value="If a resource is contained in another resource, it SHALL NOT have a security label"/> <expression value="contained.meta.security.empty()"/> <source value="http://hl7.org/fhir/StructureDefinition/DomainResource"/> </constraint> <constraint> <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice"> <valueBoolean value="true"/> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation"> <valueMarkdown value="When a resource has no narrative, only systems that fully understand the data can display the resource to a human safely. Including a human readable representation in the resource makes for a much more robust eco-system and cheaper handling of resources by intermediary systems. Some ecosystems restrict distribution of resources to only those systems that do fully understand the resources, and as a consequence implementers may believe that the narrative is superfluous. However experience shows that such eco-systems often open up to new participants over time."/> </extension> <key value="dom-6"/> <severity value="warning"/> <human value="A resource should have narrative for robust management"/> <expression value="text.`div`.exists()"/> <source value="http://hl7.org/fhir/StructureDefinition/DomainResource"/> </constraint> <constraint> <key value="obs-6"/> <severity value="error"/> <human value="dataAbsentReason SHALL only be present if Observation.value[x] is not present"/> <expression value="dataAbsentReason.empty() or value.empty()"/> <source value="http://hl7.org/fhir/StructureDefinition/Observation"/> </constraint> <constraint> <key value="obs-7"/> <severity value="error"/> <human value="If Observation.component.code is the same as Observation.code, then Observation.value SHALL NOT be present (the Observation.component.value[x] holds the value)."/> <expression value="value.empty() or component.code.where(coding.intersect(%resource.code.coding).exists()).empty ()"/> <source value="http://hl7.org/fhir/StructureDefinition/Observation"/> </constraint> <constraint> <key value="obs-8"/> <severity value="error"/> <human value="bodyStructure SHALL only be present if Observation.bodySite is not present"/> <expression value="bodySite.exists() implies bodyStructure.empty()"/> <source value="http://hl7.org/fhir/StructureDefinition/Observation"/> </constraint> <mustSupport value="false"/> <isModifier value="false"/> <isSummary value="false"/> <mapping> <identity value="rim"/> <map value="Entity, Role, or Act,Observation[classCode=OBS, moodCode=EVN]"/> </mapping> <mapping> <identity value="workflow"/> <map value="Event"/> </mapping> <mapping> <identity value="w5"/> <map value="clinical.diagnostics"/> </mapping> <mapping> <identity value="sct-concept"/> <map value="< 363787002 |Observable entity|"/> </mapping> <mapping> <identity value="v2"/> <map value="OBX"/> </mapping> </element> <element id="Observation.id"> <path value="Observation.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."/> <comment value="Within the context of the FHIR RESTful interactions, the resource has an id except for cases like the create and conditional update. Otherwise, the use of the resouce id depends on the given use case."/> <min value="0"/> <max value="1"/> <base> <path value="Resource.id"/> <min value="0"/> <max value="1"/> </base> <type> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type"> <valueUrl value="id"/> </extension> <code value="http://hl7.org/fhirpath/System.String"/> </type> <mustSupport value="false"/> <isModifier value="false"/> <isSummary value="true"/> </element> <element id="Observation.meta"> <path value="Observation.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 might not always be associated with version changes to the resource."/> <min value="0"/> <max value="1"/> <base> <path value="Resource.meta"/> <min value="0"/> <max value="1"/> </base> <type> <code value="Meta"/> </type> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <source value="http://hl7.org/fhir/StructureDefinition/Element"/> </constraint> <mustSupport value="false"/> <isModifier value="false"/> <isSummary value="true"/> </element> <element id="Observation.implicitRules"> <path value="Observation.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. Often, this is a reference to an implementation guide that defines the special rules along with other profiles etc."/> <comment 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. Often, when used, the URL is a reference to an implementation guide that defines these special rules as part of its narrative along with other profiles, value sets, etc."/> <min value="0"/> <max value="1"/> <base> <path value="Resource.implicitRules"/> <min value="0"/> <max value="1"/> </base> <type> <code value="uri"/> </type> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <source value="http://hl7.org/fhir/StructureDefinition/Element"/> </constraint> <mustSupport value="false"/> <isModifier value="true"/> <isModifierReason value="This element is labeled as a modifier because the implicit rules may provide additional knowledge about the resource that modifies its meaning or interpretation"/> <isSummary value="true"/> </element> <element id="Observation.language"> <path value="Observation.language"/> <short value="Language of the resource content"/> <definition value="The base language in which the resource is written."/> <comment 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="Resource.language"/> <min value="0"/> <max value="1"/> </base> <type> <code value="code"/> </type> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <source value="http://hl7.org/fhir/StructureDefinition/Element"/> </constraint> <mustSupport value="false"/> <isModifier value="false"/> <isSummary value="false"/> <binding> <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName"> <valueString value="Language"/> </extension> <strength value="required"/> <description value="IETF language tag for a human language"/> <valueSet value="http://hl7.org/fhir/ValueSet/all-languages|6.0.0-ballot1"/> <additional> <purpose value="starter"/> <valueSet value="http://hl7.org/fhir/ValueSet/languages"/> </additional> </binding> </element> <element id="Observation.text"> <path value="Observation.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 can 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 "clinically safe" for a human to just read the narrative. Resource definitions may define what content should be represented in the narrative to ensure clinical safety."/> <comment value="Contained resources do not have a narrative. Resources that are not contained SHOULD have a narrative. In some cases, a resource may only have text with little or no additional discrete data (as long as all minOccurs=1 elements are satisfied). This may be necessary for data from legacy systems where information is captured as a "text blob" or where text is additionally entered raw or narrated and encoded information is added later."/> <alias value="narrative"/> <alias value="html"/> <alias value="xhtml"/> <alias value="display"/> <min value="0"/> <max value="1"/> <base> <path value="DomainResource.text"/> <min value="0"/> <max value="1"/> </base> <type> <code value="Narrative"/> </type> <condition value="dom-6"/> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <source value="http://hl7.org/fhir/StructureDefinition/Element"/> </constraint> <mustSupport value="false"/> <isModifier value="false"/> <isSummary value="false"/> <mapping> <identity value="rim"/> <map value="Act.text?"/> </mapping> </element> <element id="Observation.contained"> <path value="Observation.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, nor can they have their own independent transaction scope. This is allowed to be a Parameters resource if and only if it is referenced by a resource that provides context/meaning."/> <comment 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. Contained resources may have profiles and tags in their meta elements, but SHALL NOT have security labels."/> <alias value="inline resources"/> <alias value="anonymous resources"/> <alias value="contained resources"/> <min value="0"/> <max value="*"/> <base> <path value="DomainResource.contained"/> <min value="0"/> <max value="*"/> </base> <type> <code value="Resource"/> </type> <condition value="dom-2"/> <condition value="dom-4"/> <condition value="dom-3"/> <condition value="dom-5"/> <mustSupport value="false"/> <isModifier value="false"/> <isSummary value="false"/> <mapping> <identity value="rim"/> <map value="N/A"/> </mapping> </element> <element id="Observation.extension"> <path value="Observation.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. To make the use of extensions safe and managable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/> <comment 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="DomainResource.extension"/> <min value="0"/> <max value="*"/> </base> <type> <code value="Extension"/> </type> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <source value="http://hl7.org/fhir/StructureDefinition/Element"/> </constraint> <mustSupport value="false"/> <isModifier value="false"/> <isSummary value="false"/> <mapping> <identity value="rim"/> <map value="N/A"/> </mapping> </element> <element id="Observation.modifierExtension"> <path value="Observation.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 and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and managable, 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. Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)."/> <comment 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."/> <requirements value="Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension)."/> <alias value="extensions"/> <alias value="user content"/> <min value="0"/> <max value="*"/> <base> <path value="DomainResource.modifierExtension"/> <min value="0"/> <max value="*"/> </base> <type> <code value="Extension"/> </type> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <source value="http://hl7.org/fhir/StructureDefinition/Element"/> </constraint> <mustSupport value="false"/> <isModifier value="true"/> <isModifierReason value="Modifier extensions are expected to modify the meaning or interpretation of the resource that contains them"/> <isSummary value="true"/> <mapping> <identity value="rim"/> <map value="N/A"/> </mapping> </element> <element id="Observation.identifier"> <path value="Observation.identifier"/> <short value="Business Identifier for observation"/> <definition value="A unique identifier assigned to this observation."/> <requirements value="Allows observations to be distinguished and referenced."/> <min value="0"/> <max value="*"/> <base> <path value="Observation.identifier"/> <min value="0"/> <max value="*"/> </base> <type> <code value="Identifier"/> </type> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <source value="http://hl7.org/fhir/StructureDefinition/Element"/> </constraint> <mustSupport value="false"/> <isModifier value="false"/> <isSummary value="true"/> <mapping> <identity value="workflow"/> <map value="Event.identifier"/> </mapping> <mapping> <identity value="w5"/> <map value="FiveWs.identifier"/> </mapping> <mapping> <identity value="v2"/> <map value="OBX-21 For OBX segments from systems without OBX-21 support a combination of ORC/OBR and OBX must be negotiated between trading partners to uniquely identify the OBX segment. Depending on how V2 has been implemented each of these may be an option: 1) OBR-3 + OBX-3 + OBX-4 or 2) OBR-3 + OBR-4 + OBX-3 + OBX-4 or 3) some other way to uniquely ID the OBR/ORC + OBX-3 + OBX-4."/> </mapping> <mapping> <identity value="rim"/> <map value="id"/> </mapping> </element> <element id="Observation.instantiates[x]"> <path value="Observation.instantiates[x]"/> <short value="Instantiates FHIR ObservationDefinition"/> <definition value="The reference to a FHIR ObservationDefinition resource that provides the definition that is adhered to in whole or in part by this Observation instance."/> <comment value="ObservationDefinition can be referenced by its canonical url using instantiatesCanonical, or by a name or an identifier using the appropriate sub-elements of instantiatesReference."/> <min value="0"/> <max value="1"/> <base> <path value="Observation.instantiates[x]"/> <min value="0"/> <max value="1"/> </base> <type> <code value="canonical"/> <targetProfile value="http://hl7.org/fhir/StructureDefinition/ObservationDefinition"/> </type> <type> <code value="Reference"/> <targetProfile value="http://hl7.org/fhir/StructureDefinition/ObservationDefinition"/> </type> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <source value="http://hl7.org/fhir/StructureDefinition/Element"/> </constraint> <mustSupport value="false"/> <isModifier value="false"/> <isSummary value="true"/> <mapping> <identity value="workflow"/> <map value="Event.instantiatesCanonical"/> </mapping> <mapping> <identity value="rim"/> <map value=".outboundRelationship[typeCode=DEFN].target"/> </mapping> </element> <element id="Observation.basedOn"> <path value="Observation.basedOn"/> <short value="Fulfills plan, proposal or order"/> <definition value="A plan, proposal or order that is fulfilled in whole or in part by this event. For example, a MedicationRequest may require a patient to have laboratory test performed before it is dispensed."/> <requirements value="Allows tracing of authorization for the event and tracking whether proposals/recommendations were acted upon."/> <alias value="Fulfills"/> <min value="0"/> <max value="*"/> <base> <path value="Observation.basedOn"/> <min value="0"/> <max value="*"/> </base> <type> <code value="Reference"/> <targetProfile value="http://hl7.org/fhir/StructureDefinition/CarePlan"/> <targetProfile value="http://hl7.org/fhir/StructureDefinition/DeviceRequest"/> <targetProfile value="http://hl7.org/fhir/StructureDefinition/ImmunizationRecommendation"/> <targetProfile value="http://hl7.org/fhir/StructureDefinition/MedicationRequest"/> <targetProfile value="http://hl7.org/fhir/StructureDefinition/NutritionOrder"/> <targetProfile value="http://hl7.org/fhir/StructureDefinition/ServiceRequest"/> </type> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <source value="http://hl7.org/fhir/StructureDefinition/Element"/> </constraint> <mustSupport value="false"/> <isModifier value="false"/> <isSummary value="true"/> <mapping> <identity value="workflow"/> <map value="Event.basedOn"/> </mapping> <mapping> <identity value="v2"/> <map value="ORC"/> </mapping> <mapping> <identity value="rim"/> <map value=".inboundRelationship[typeCode=COMP].source[moodCode=EVN]"/> </mapping> </element> <element id="Observation.triggeredBy"> <path value="Observation.triggeredBy"/> <short value="Triggering observation(s)"/> <definition value="Identifies the observation(s) that triggered the performance of this observation."/> <min value="0"/> <max value="*"/> <base> <path value="Observation.triggeredBy"/> <min value="0"/> <max value="*"/> </base> <type> <code value="BackboneElement"/> </type> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <source value="http://hl7.org/fhir/StructureDefinition/Element"/> </constraint> <mustSupport value="false"/> <isModifier value="false"/> <isSummary value="false"/> <mapping> <identity value="v2"/> <map value="ORC"/> </mapping> <mapping> <identity value="rim"/> <map value=".inboundRelationship[typeCode=COMP].source[moodCode=EVN]"/> </mapping> </element> <element id="Observation.triggeredBy.id"> <path value="Observation.triggeredBy.id"/> <representation value="xmlAttr"/> <short value="Unique id for inter-element referencing"/> <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/> <min value="0"/> <max value="1"/> <base> <path value="Element.id"/> <min value="0"/> <max value="1"/> </base> <type> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type"> <valueUrl value="string"/> </extension> <code value="http://hl7.org/fhirpath/System.String"/> </type> <condition value="ele-1"/> <isModifier value="false"/> <isSummary value="false"/> <mapping> <identity value="rim"/> <map value="n/a"/> </mapping> </element> <element id="Observation.triggeredBy.extension"> <path value="Observation.triggeredBy.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. To make the use of extensions safe and managable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/> <comment 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="Element.extension"/> <min value="0"/> <max value="*"/> </base> <type> <code value="Extension"/> </type> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <source value="http://hl7.org/fhir/StructureDefinition/Element"/> </constraint> <isModifier value="false"/> <isSummary value="false"/> <mapping> <identity value="rim"/> <map value="n/a"/> </mapping> </element> <element id="Observation.triggeredBy.modifierExtension"> <path value="Observation.triggeredBy.modifierExtension"/> <short value="Extensions that cannot be ignored even if unrecognized"/> <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 in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and managable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can 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. Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)."/> <comment 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."/> <requirements value="Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension)."/> <alias value="extensions"/> <alias value="user content"/> <alias value="modifiers"/> <min value="0"/> <max value="*"/> <base> <path value="BackboneElement.modifierExtension"/> <min value="0"/> <max value="*"/> </base> <type> <code value="Extension"/> </type> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <source value="http://hl7.org/fhir/StructureDefinition/Element"/> </constraint> <isModifier value="true"/> <isModifierReason value="Modifier extensions are expected to modify the meaning or interpretation of the element that contains them"/> <isSummary value="true"/> <mapping> <identity value="rim"/> <map value="N/A"/> </mapping> </element> <element id="Observation.triggeredBy.observation"> <path value="Observation.triggeredBy.observation"/> <short value="Triggering observation"/> <definition value="Reference to the triggering observation."/> <min value="1"/> <max value="1"/> <base> <path value="Observation.triggeredBy.observation"/> <min value="1"/> <max value="1"/> </base> <type> <code value="Reference"/> <targetProfile value="http://hl7.org/fhir/StructureDefinition/Observation"/> </type> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <source value="http://hl7.org/fhir/StructureDefinition/Element"/> </constraint> <mustSupport value="false"/> <isModifier value="false"/> <isSummary value="true"/> <mapping> <identity value="rim"/> <map value="outBoundRelationship"/> </mapping> </element> <element id="Observation.triggeredBy.type"> <path value="Observation.triggeredBy.type"/> <short value="reflex | repeat | re-run"/> <definition value="The type of trigger. Reflex | Repeat | Re-run."/> <min value="1"/> <max value="1"/> <base> <path value="Observation.triggeredBy.type"/> <min value="1"/> <max value="1"/> </base> <type> <code value="code"/> </type> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <source value="http://hl7.org/fhir/StructureDefinition/Element"/> </constraint> <mustSupport value="false"/> <isModifier value="false"/> <isSummary value="true"/> <binding> <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName"> <valueString value="TriggeredByType"/> </extension> <strength value="required"/> <description value="The type of TriggeredBy Observation."/> <valueSet value="http://hl7.org/fhir/ValueSet/observation-triggeredbytype|6.0.0-ballot1"/> </binding> <mapping> <identity value="rim"/> <map value="code"/> </mapping> </element> <element id="Observation.triggeredBy.reason"> <path value="Observation.triggeredBy.reason"/> <short value="Reason that the observation was triggered"/> <definition value="Provides the reason why this observation was performed as a result of the observation(s) referenced."/> <min value="0"/> <max value="1"/> <base> <path value="Observation.triggeredBy.reason"/>