Release 5 Preview #2

This page is part of the FHIR Specification (v4.4.0: R5 Preview #2). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions . Page versions: R5 R4B R4 R3 R2

Visionprescription.profile.json

Financial Management Work GroupMaturity Level: N/AStandards Status: InformativeCompartments: Encounter, Patient, Practitioner

Raw JSON (canonical form + also see JSON Format Specification)

StructureDefinition for visionprescription

{
  "resourceType" : "StructureDefinition",
  "id" : "VisionPrescription",
  "meta" : {
    "lastUpdated" : "2020-05-03T08:43:35.811+10:00"
  },
  "text" : {
    "status" : "generated",
    "div" : "<div>!-- Snipped for Brevity --></div>"
  },
  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-category",
    "valueString" : "Clinical.Care Provision"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode" : "trial-use"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 2
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-security-category",
    "valueCode" : "patient"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "fm"
  }],
  "url" : "http://hl7.org/fhir/StructureDefinition/VisionPrescription",
  "version" : "4.4.0",
  "name" : "VisionPrescription",
  "status" : "draft",
  "date" : "2020-05-03T08:43:35+10:00",
  "publisher" : "Health Level Seven International (Financial Management)",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://hl7.org/fhir"
    }]
  },
  {
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org/Special/committees/fm/index.cfm"
    }]
  }],
  "description" : "An authorization for the provision of glasses and/or contact lenses to a patient.",
  "fhirVersion" : "4.4.0",
  "mapping" : [{
    "identity" : "workflow",
    "uri" : "http://hl7.org/fhir/workflow",
    "name" : "Workflow Pattern"
  },
  {
    "identity" : "rim",
    "uri" : "http://hl7.org/v3",
    "name" : "RIM Mapping"
  },
  {
    "identity" : "w5",
    "uri" : "http://hl7.org/fhir/fivews",
    "name" : "FiveWs Pattern Mapping"
  },
  {
    "identity" : "v2",
    "uri" : "http://hl7.org/v2",
    "name" : "HL7 v2 Mapping"
  }],
  "kind" : "resource",
  "abstract" : false,
  "type" : "VisionPrescription",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/DomainResource",
  "derivation" : "specialization",
  "snapshot" : {
    "element" : [{
      "id" : "VisionPrescription",
      "path" : "VisionPrescription",
      "short" : "Prescription for vision correction products for a patient",
      "definition" : "An authorization for the provision of glasses and/or contact lenses to a patient.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "VisionPrescription",
        "min" : 0,
        "max" : "*"
      },
      "constraint" : [{
        "key" : "dom-2",
        "severity" : "error",
        "human" : "If the resource is contained in another resource, it SHALL NOT contain nested Resources",
        "expression" : "contained.contained.empty()",
        "xpath" : "not(parent::f:contained and f:contained)",
        "source" : "http://hl7.org/fhir/StructureDefinition/DomainResource"
      },
      {
        "key" : "dom-3",
        "severity" : "error",
        "human" : "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" : "contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()",
        "xpath" : "not(exists(for $id in f:contained/*/f:id/@value return $contained[not(parent::*/descendant::f:reference/@value=concat('#', $contained/*/id/@value) or descendant::f:reference[@value='#'])]))",
        "source" : "http://hl7.org/fhir/StructureDefinition/DomainResource"
      },
      {
        "key" : "dom-4",
        "severity" : "error",
        "human" : "If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated",
        "expression" : "contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()",
        "xpath" : "not(exists(f:contained/*/f:meta/f:versionId)) and not(exists(f:contained/*/f:meta/f:lastUpdated))",
        "source" : "http://hl7.org/fhir/StructureDefinition/DomainResource"
      },
      {
        "key" : "dom-5",
        "severity" : "error",
        "human" : "If a resource is contained in another resource, it SHALL NOT have a security label",
        "expression" : "contained.meta.security.empty()",
        "xpath" : "not(exists(f:contained/*/f:meta/f:security))",
        "source" : "http://hl7.org/fhir/StructureDefinition/DomainResource"
      },
      {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice",
          "valueBoolean" : true
        },
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation",
          "valueMarkdown" : "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."
        }],
        "key" : "dom-6",
        "severity" : "warning",
        "human" : "A resource should have narrative for robust management",
        "expression" : "text.`div`.exists()",
        "xpath" : "exists(f:text/h:div)",
        "source" : "http://hl7.org/fhir/StructureDefinition/DomainResource"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "Entity. Role, or Act"
      },
      {
        "identity" : "workflow",
        "map" : "Request"
      },
      {
        "identity" : "rim",
        "map" : "CombinedVisionRequest"
      }]
    },
    {
      "id" : "VisionPrescription.id",
      "path" : "VisionPrescription.id",
      "short" : "Logical id of this artifact",
      "definition" : "The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes.",
      "comment" : "The only time that a resource does not have an id is when it is being submitted to the server using a create operation.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Resource.id",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUri" : "id"
        }],
        "code" : "http://hl7.org/fhirpath/System.String"
      }],
      "isModifier" : false,
      "isSummary" : true
    },
    {
      "id" : "VisionPrescription.meta",
      "path" : "VisionPrescription.meta",
      "short" : "Metadata about the resource",
      "definition" : "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" : 0,
      "max" : "1",
      "base" : {
        "path" : "Resource.meta",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "Meta"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "isModifier" : false,
      "isSummary" : true
    },
    {
      "id" : "VisionPrescription.implicitRules",
      "path" : "VisionPrescription.implicitRules",
      "short" : "A set of rules under which this content was created",
      "definition" : "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" : "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 it's narrative along with other profiles, value sets, etc.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Resource.implicitRules",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "uri"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "isModifier" : true,
      "isModifierReason" : "This element is labeled as a modifier because the implicit rules may provide additional knowledge about the resource that modifies it's meaning or interpretation",
      "isSummary" : true
    },
    {
      "id" : "VisionPrescription.language",
      "path" : "VisionPrescription.language",
      "short" : "Language of the resource content",
      "definition" : "The base language in which the resource is written.",
      "comment" : "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" : 0,
      "max" : "1",
      "base" : {
        "path" : "Resource.language",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "code"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet",
          "valueCanonical" : "http://hl7.org/fhir/ValueSet/all-languages"
        },
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "Language"
        },
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding",
          "valueBoolean" : true
        }],
        "strength" : "preferred",
        "description" : "A human language.",
        "valueSet" : "http://hl7.org/fhir/ValueSet/languages"
      }
    },
    {
      "id" : "VisionPrescription.text",
      "path" : "VisionPrescription.text",
      "short" : "Text summary of the resource, for human interpretation",
      "definition" : "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" : "Contained resources do not have 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" : ["narrative",
      "html",
      "xhtml",
      "display"],
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "DomainResource.text",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "Narrative"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "Act.text?"
      }]
    },
    {
      "id" : "VisionPrescription.contained",
      "path" : "VisionPrescription.contained",
      "short" : "Contained, inline Resources",
      "definition" : "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.",
      "comment" : "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" : ["inline resources",
      "anonymous resources",
      "contained resources"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "DomainResource.contained",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Resource"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "VisionPrescription.extension",
      "path" : "VisionPrescription.extension",
      "short" : "Additional content defined by implementations",
      "definition" : "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 manageable, 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" : "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" : ["extensions",
      "user content"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "DomainResource.extension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "VisionPrescription.modifierExtension",
      "path" : "VisionPrescription.modifierExtension",
      "short" : "Extensions that cannot be ignored",
      "definition" : "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 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.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
      "comment" : "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" : "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" : ["extensions",
      "user content"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "DomainResource.modifierExtension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : true,
      "isModifierReason" : "Modifier extensions are expected to modify the meaning or interpretation of the resource that contains them",
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "VisionPrescription.identifier",
      "path" : "VisionPrescription.identifier",
      "short" : "Business Identifier for vision prescription",
      "definition" : "A unique identifier assigned to this vision prescription.",
      "requirements" : "Allows vision prescriptions to be distinguished and referenced.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "VisionPrescription.identifier",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Identifier"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Request.identifier"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.identifier"
      },
      {
        "identity" : "v2",
        "map" : "ORC-2-Placer Order Number / ORC-3-Filler Order Number"
      },
      {
        "identity" : "rim",
        "map" : "id"
      }]
    },
    {
      "id" : "VisionPrescription.status",
      "path" : "VisionPrescription.status",
      "short" : "active | cancelled | draft | entered-in-error",
      "definition" : "The status of the resource instance.",
      "comment" : "This element is labeled as a modifier because the status contains codes that mark the resource as not currently valid.",
      "requirements" : "Need to track the status of the resource as 'draft' resources may undergo further edits while 'active' resources are immutable and may only have their status changed to 'cancelled'.",
      "min" : 1,
      "max" : "1",
      "base" : {
        "path" : "VisionPrescription.status",
        "min" : 1,
        "max" : "1"
      },
      "type" : [{
        "code" : "code"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "isModifier" : true,
      "isModifierReason" : "This element is labelled as a modifier because it is a status element that contains status entered-in-error which means that the resource should not be treated as valid",
      "isSummary" : true,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "VisionStatus"
        }],
        "strength" : "required",
        "description" : "A code specifying the state of the resource instance.",
        "valueSet" : "http://hl7.org/fhir/ValueSet/fm-status|4.4.0"
      },
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Request.status"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.status"
      },
      {
        "identity" : "rim",
        "map" : "Act.status"
      }]
    },
    {
      "id" : "VisionPrescription.created",
      "path" : "VisionPrescription.created",
      "short" : "Response creation date",
      "definition" : "The date this resource was created.",
      "requirements" : "Need to record a timestamp for use by both the recipient and the issuer.",
      "min" : 1,
      "max" : "1",
      "base" : {
        "path" : "VisionPrescription.created",
        "min" : 1,
        "max" : "1"
      },
      "type" : [{
        "code" : "dateTime"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "isModifier" : false,
      "isSummary" : true
    },
    {
      "id" : "VisionPrescription.patient",
      "path" : "VisionPrescription.patient",
      "short" : "Who prescription is for",
      "definition" : "A resource reference to the person to whom the vision prescription applies.",
      "requirements" : "Needed to identify the patient for whom the vision prescription has been issued.",
      "min" : 1,
      "max" : "1",
      "base" : {
        "path" : "VisionPrescription.patient",
        "min" : 1,
        "max" : "1"
      },
      "type" : [{
        "code" : "Reference",
        "targetProfile" : ["http://hl7.org/fhir/StructureDefinition/Patient"]
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Request.subject"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.subject[x]"
      },
      {
        "identity" : "v2",
        "map" : "PID-3-Patient ID List"
      },
      {
        "identity" : "rim",
        "map" : "subject.role"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.subject"
      }]
    },
    {
      "id" : "VisionPrescription.encounter",
      "path" : "VisionPrescription.encounter",
      "short" : "Created during encounter / admission / stay",
      "definition" : "A reference to a resource that identifies the particular occurrence of contact between patient and health care provider during which the prescription was issued.",
      "requirements" : "Used in some jurisdictions to link clinical events to claim items.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "VisionPrescription.encounter",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "Reference",
        "targetProfile" : ["http://hl7.org/fhir/StructureDefinition/Encounter"]
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Request.context"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.context"
      },
      {
        "identity" : "v2",
        "map" : "PV1-19-Visit Number"
      },
      {
        "identity" : "rim",
        "map" : "componentOf.patientEncounter"
      }]
    },
    {
      "id" : "VisionPrescription.dateWritten",
      "path" : "VisionPrescription.dateWritten",
      "short" : "When prescription was authorized",
      "definition" : "The date (and perhaps time) when the prescription was written.",
      "comment" : "Jurisdictions determine the valid lifetime of a prescription. Typically vision prescriptions are valid for two years from the date written.",
      "requirements" : "Need to record a timestamp for use by both the recipient and the issuer.",
      "min" : 1,
      "max" : "1",
      "base" : {
        "path" : "VisionPrescription.dateWritten",
        "min" : 1,
        "max" : "1"
      },
      "type" : [{
        "code" : "dateTime"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Request.authoredOn"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.recorded"
      },
      {
        "identity" : "v2",
        "map" : "RXE-32-Original Order Date/Time / ORC-9-Date/Time of Transaction"
      },
      {
        "identity" : "rim",
        "map" : "author.time"
      }]
    },
    {
      "id" : "VisionPrescription.prescriber",
      "path" : "VisionPrescription.prescriber",
      "short" : "Who authorized the vision prescription",
      "definition" : "The healthcare professional responsible for authorizing the prescription.",
      "requirements" : "Need to record the authorizing practitioner.",
      "min" : 1,
      "max" : "1",
      "base" : {
        "path" : "VisionPrescription.prescriber",
        "min" : 1,
        "max" : "1"
      },
      "type" : [{
        "code" : "Reference",
        "targetProfile" : ["http://hl7.org/fhir/StructureDefinition/Practitioner",
        "http://hl7.org/fhir/StructureDefinition/PractitionerRole"]
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Request.requester"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.author"
      },
      {
        "identity" : "v2",
        "map" : "RXE-13-Ordering Provider's DEA Number / RXO-14-Ordering Provider's DEA Number / RXE-14-Pharmacist/Treatment Supplier's Verifier ID / RXO-15-Pharmacist/Treatment Supplier's Verifier ID / ORC-12-Ordering Provider / PRT-5-Participation Person: PRT-4-Participation='OP' (all but last deprecated)"
      },
      {
        "identity" : "rim",
        "map" : "author.role"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification",
      "path" : "VisionPrescription.lensSpecification",
      "short" : "Vision lens authorization",
      "definition" : "Contain the details of  the individual lens specifications and serves as the authorization for the fullfillment by certified professionals.",
      "min" : 1,
      "max" : "*",
      "base" : {
        "path" : "VisionPrescription.lensSpecification",
        "min" : 1,
        "max" : "*"
      },
      "type" : [{
        "code" : "BackboneElement"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "rim",
        "map" : "component.supplyEvent"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.id",
      "path" : "VisionPrescription.lensSpecification.id",
      "representation" : ["xmlAttr"],
      "short" : "Unique id for inter-element referencing",
      "definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Element.id",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUri" : "id"
        }],
        "code" : "http://hl7.org/fhirpath/System.String"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.extension",
      "path" : "VisionPrescription.lensSpecification.extension",
      "short" : "Additional content defined by implementations",
      "definition" : "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 manageable, 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" : "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" : ["extensions",
      "user content"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Element.extension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.modifierExtension",
      "path" : "VisionPrescription.lensSpecification.modifierExtension",
      "short" : "Extensions that cannot be ignored even if unrecognized",
      "definition" : "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 manageable, 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.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
      "comment" : "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" : "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" : ["extensions",
      "user content",
      "modifiers"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "BackboneElement.modifierExtension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : true,
      "isModifierReason" : "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
      "isSummary" : true,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.product",
      "path" : "VisionPrescription.lensSpecification.product",
      "short" : "Product to be supplied",
      "definition" : "Identifies the type of vision correction product which is required for the patient.",
      "requirements" : "Need to identify whether glasses or contacts.",
      "min" : 1,
      "max" : "1",
      "base" : {
        "path" : "VisionPrescription.lensSpecification.product",
        "min" : 1,
        "max" : "1"
      },
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "isModifier" : false,
      "isSummary" : true,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "VisionProduct"
        }],
        "strength" : "example",
        "description" : "A coded concept describing the vision products.",
        "valueSet" : "http://hl7.org/fhir/ValueSet/vision-product"
      },
      "mapping" : [{
        "identity" : "v2",
        "map" : "RXE-2-Give Code / RXO-1-Requested Give Code / RXD-2-Dispense/Give Code"
      },
      {
        "identity" : "rim",
        "map" : "consumable.role"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.eye",
      "path" : "VisionPrescription.lensSpecification.eye",
      "short" : "right | left",
      "definition" : "The eye for which the lens specification applies.",
      "comment" : "May also appear as OD (oculus dexter) for the right eye and OS (oculus siniter) for the left eye.",
      "requirements" : "Needed to identify which eye the lens specification applies to.",
      "min" : 1,
      "max" : "1",
      "base" : {
        "path" : "VisionPrescription.lensSpecification.eye",
        "min" : 1,
        "max" : "1"
      },
      "type" : [{
        "code" : "code"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "isModifier" : false,
      "isSummary" : true,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "VisionEyes"
        }],
        "strength" : "required",
        "description" : "A coded concept listing the eye codes.",
        "valueSet" : "http://hl7.org/fhir/ValueSet/vision-eye-codes|4.4.0"
      },
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.sphere",
      "path" : "VisionPrescription.lensSpecification.sphere",
      "short" : "Power of the lens",
      "definition" : "Lens power measured in dioptres (0.25 units).",
      "comment" : "The value is negative for near-sighted and positive for far sighted.\nOften insurance will not cover a lens with power between +75 and -75.",
      "requirements" : "Standard lens prescription measures.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "VisionPrescription.lensSpecification.sphere",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "decimal"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.cylinder",
      "path" : "VisionPrescription.lensSpecification.cylinder",
      "short" : "Lens power for astigmatism",
      "definition" : "Power adjustment for astigmatism measured in dioptres (0.25 units).",
      "requirements" : "Standard lens prescription measures.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "VisionPrescription.lensSpecification.cylinder",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "decimal"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.axis",
      "path" : "VisionPrescription.lensSpecification.axis",
      "short" : "Lens meridian which contain no power for astigmatism",
      "definition" : "Adjustment for astigmatism measured in integer degrees.",
      "comment" : "The limits are +180 and -180 degrees.",
      "requirements" : "Standard lens prescription measures.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "VisionPrescription.lensSpecification.axis",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "integer"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.prism",
      "extension" : [{
        "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-explicit-type-name",
        "valueString" : "Prism"
      }],
      "path" : "VisionPrescription.lensSpecification.prism",
      "short" : "Eye alignment compensation",
      "definition" : "Allows for adjustment on two axis.",
      "requirements" : "Standard lens prescription measures.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "VisionPrescription.lensSpecification.prism",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "BackboneElement"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "VisionPrescription.lensSpecification.prism.id",
      "path" : "VisionPrescription.lensSpecification.prism.id",
      "representation" : ["xmlAttr"],
      "short" : "Unique id for inter-element referencing",
      "definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Element.id",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUri" : "id"
        }],
        "code" : "http://hl7.org/fhirpath/System.String"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.prism.extension",
      "path" : "VisionPrescription.lensSpecification.prism.extension",
      "short" : "Additional content defined by implementations",
      "definition" : "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 manageable, 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" : "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" : ["extensions",
      "user content"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Element.extension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.prism.modifierExtension",
      "path" : "VisionPrescription.lensSpecification.prism.modifierExtension",
      "short" : "Extensions that cannot be ignored even if unrecognized",
      "definition" : "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 manageable, 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.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
      "comment" : "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" : "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" : ["extensions",
      "user content",
      "modifiers"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "BackboneElement.modifierExtension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : true,
      "isModifierReason" : "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
      "isSummary" : true,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.prism.amount",
      "path" : "VisionPrescription.lensSpecification.prism.amount",
      "short" : "Amount of adjustment",
      "definition" : "Amount of prism to compensate for eye alignment in fractional units.",
      "requirements" : "Standard lens prescription measures.",
      "min" : 1,
      "max" : "1",
      "base" : {
        "path" : "VisionPrescription.lensSpecification.prism.amount",
        "min" : 1,
        "max" : "1"
      },
      "type" : [{
        "code" : "decimal"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.prism.base",
      "path" : "VisionPrescription.lensSpecification.prism.base",
      "short" : "up | down | in | out",
      "definition" : "The relative base, or reference lens edge, for the prism.",
      "requirements" : "Standard lens prescription measures.",
      "min" : 1,
      "max" : "1",
      "base" : {
        "path" : "VisionPrescription.lensSpecification.prism.base",
        "min" : 1,
        "max" : "1"
      },
      "type" : [{
        "code" : "code"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "VisionBase"
        }],
        "strength" : "required",
        "description" : "A coded concept listing the base codes.",
        "valueSet" : "http://hl7.org/fhir/ValueSet/vision-base-codes|4.4.0"
      },
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.add",
      "path" : "VisionPrescription.lensSpecification.add",
      "short" : "Added power for multifocal levels",
      "definition" : "Power adjustment for multifocal lenses measured in dioptres (0.25 units).",
      "requirements" : "Standard lens prescription measures.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "VisionPrescription.lensSpecification.add",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "decimal"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.power",
      "path" : "VisionPrescription.lensSpecification.power",
      "short" : "Contact lens power",
      "definition" : "Contact lens power measured in dioptres (0.25 units).",
      "requirements" : "Standard contact lens prescription measures.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "VisionPrescription.lensSpecification.power",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "decimal"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.backCurve",
      "path" : "VisionPrescription.lensSpecification.backCurve",
      "short" : "Contact lens back curvature",
      "definition" : "Back curvature measured in millimetres.",
      "requirements" : "Standard contact lens prescription measures.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "VisionPrescription.lensSpecification.backCurve",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "decimal"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.diameter",
      "path" : "VisionPrescription.lensSpecification.diameter",
      "short" : "Contact lens diameter",
      "definition" : "Contact lens diameter measured in millimetres.",
      "requirements" : "Standard contact lens prescription measures.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "VisionPrescription.lensSpecification.diameter",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "decimal"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.duration",
      "path" : "VisionPrescription.lensSpecification.duration",
      "short" : "Lens wear duration",
      "definition" : "The recommended maximum wear period for the lens.",
      "requirements" : "Standard contact lens prescription measures.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "VisionPrescription.lensSpecification.duration",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "Quantity",
        "profile" : ["http://hl7.org/fhir/StructureDefinition/SimpleQuantity"]
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.color",
      "path" : "VisionPrescription.lensSpecification.color",
      "short" : "Color required",
      "definition" : "Special color or pattern.",
      "requirements" : "Standard contact lens prescription measures.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "VisionPrescription.lensSpecification.color",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.brand",
      "path" : "VisionPrescription.lensSpecification.brand",
      "short" : "Brand required",
      "definition" : "Brand recommendations or restrictions.",
      "requirements" : "Standard lens prescription measures.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "VisionPrescription.lensSpecification.brand",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.note",
      "path" : "VisionPrescription.lensSpecification.note",
      "short" : "Notes for coatings",
      "definition" : "Notes for special requirements such as coatings and lens materials.",
      "requirements" : "Standard lens prescription measures.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "VisionPrescription.lensSpecification.note",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Annotation"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    }]
  },
  "differential" : {
    "element" : [{
      "id" : "VisionPrescription",
      "path" : "VisionPrescription",
      "short" : "Prescription for vision correction products for a patient",
      "definition" : "An authorization for the provision of glasses and/or contact lenses to a patient.",
      "min" : 0,
      "max" : "*",
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Request"
      },
      {
        "identity" : "rim",
        "map" : "CombinedVisionRequest"
      }]
    },
    {
      "id" : "VisionPrescription.identifier",
      "path" : "VisionPrescription.identifier",
      "short" : "Business Identifier for vision prescription",
      "definition" : "A unique identifier assigned to this vision prescription.",
      "requirements" : "Allows vision prescriptions to be distinguished and referenced.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "Identifier"
      }],
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Request.identifier"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.identifier"
      },
      {
        "identity" : "v2",
        "map" : "ORC-2-Placer Order Number / ORC-3-Filler Order Number"
      },
      {
        "identity" : "rim",
        "map" : "id"
      }]
    },
    {
      "id" : "VisionPrescription.status",
      "path" : "VisionPrescription.status",
      "short" : "active | cancelled | draft | entered-in-error",
      "definition" : "The status of the resource instance.",
      "comment" : "This element is labeled as a modifier because the status contains codes that mark the resource as not currently valid.",
      "requirements" : "Need to track the status of the resource as 'draft' resources may undergo further edits while 'active' resources are immutable and may only have their status changed to 'cancelled'.",
      "min" : 1,
      "max" : "1",
      "type" : [{
        "code" : "code"
      }],
      "isModifier" : true,
      "isModifierReason" : "This element is labelled as a modifier because it is a status element that contains status entered-in-error which means that the resource should not be treated as valid",
      "isSummary" : true,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "VisionStatus"
        }],
        "strength" : "required",
        "description" : "A code specifying the state of the resource instance.",
        "valueSet" : "http://hl7.org/fhir/ValueSet/fm-status|4.4.0"
      },
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Request.status"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.status"
      },
      {
        "identity" : "rim",
        "map" : "Act.status"
      }]
    },
    {
      "id" : "VisionPrescription.created",
      "path" : "VisionPrescription.created",
      "short" : "Response creation date",
      "definition" : "The date this resource was created.",
      "requirements" : "Need to record a timestamp for use by both the recipient and the issuer.",
      "min" : 1,
      "max" : "1",
      "type" : [{
        "code" : "dateTime"
      }],
      "isSummary" : true
    },
    {
      "id" : "VisionPrescription.patient",
      "path" : "VisionPrescription.patient",
      "short" : "Who prescription is for",
      "definition" : "A resource reference to the person to whom the vision prescription applies.",
      "requirements" : "Needed to identify the patient for whom the vision prescription has been issued.",
      "min" : 1,
      "max" : "1",
      "type" : [{
        "code" : "Reference",
        "targetProfile" : ["http://hl7.org/fhir/StructureDefinition/Patient"]
      }],
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Request.subject"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.subject[x]"
      },
      {
        "identity" : "v2",
        "map" : "PID-3-Patient ID List"
      },
      {
        "identity" : "rim",
        "map" : "subject.role"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.subject"
      }]
    },
    {
      "id" : "VisionPrescription.encounter",
      "path" : "VisionPrescription.encounter",
      "short" : "Created during encounter / admission / stay",
      "definition" : "A reference to a resource that identifies the particular occurrence of contact between patient and health care provider during which the prescription was issued.",
      "requirements" : "Used in some jurisdictions to link clinical events to claim items.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "Reference",
        "targetProfile" : ["http://hl7.org/fhir/StructureDefinition/Encounter"]
      }],
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Request.context"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.context"
      },
      {
        "identity" : "v2",
        "map" : "PV1-19-Visit Number"
      },
      {
        "identity" : "rim",
        "map" : "componentOf.patientEncounter"
      }]
    },
    {
      "id" : "VisionPrescription.dateWritten",
      "path" : "VisionPrescription.dateWritten",
      "short" : "When prescription was authorized",
      "definition" : "The date (and perhaps time) when the prescription was written.",
      "comment" : "Jurisdictions determine the valid lifetime of a prescription. Typically vision prescriptions are valid for two years from the date written.",
      "requirements" : "Need to record a timestamp for use by both the recipient and the issuer.",
      "min" : 1,
      "max" : "1",
      "type" : [{
        "code" : "dateTime"
      }],
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Request.authoredOn"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.recorded"
      },
      {
        "identity" : "v2",
        "map" : "RXE-32-Original Order Date/Time / ORC-9-Date/Time of Transaction"
      },
      {
        "identity" : "rim",
        "map" : "author.time"
      }]
    },
    {
      "id" : "VisionPrescription.prescriber",
      "path" : "VisionPrescription.prescriber",
      "short" : "Who authorized the vision prescription",
      "definition" : "The healthcare professional responsible for authorizing the prescription.",
      "requirements" : "Need to record the authorizing practitioner.",
      "min" : 1,
      "max" : "1",
      "type" : [{
        "code" : "Reference",
        "targetProfile" : ["http://hl7.org/fhir/StructureDefinition/Practitioner",
        "http://hl7.org/fhir/StructureDefinition/PractitionerRole"]
      }],
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Request.requester"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.author"
      },
      {
        "identity" : "v2",
        "map" : "RXE-13-Ordering Provider's DEA Number / RXO-14-Ordering Provider's DEA Number / RXE-14-Pharmacist/Treatment Supplier's Verifier ID / RXO-15-Pharmacist/Treatment Supplier's Verifier ID / ORC-12-Ordering Provider / PRT-5-Participation Person: PRT-4-Participation='OP' (all but last deprecated)"
      },
      {
        "identity" : "rim",
        "map" : "author.role"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification",
      "path" : "VisionPrescription.lensSpecification",
      "short" : "Vision lens authorization",
      "definition" : "Contain the details of  the individual lens specifications and serves as the authorization for the fullfillment by certified professionals.",
      "min" : 1,
      "max" : "*",
      "type" : [{
        "code" : "BackboneElement"
      }],
      "isSummary" : true,
      "mapping" : [{
        "identity" : "rim",
        "map" : "component.supplyEvent"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.product",
      "path" : "VisionPrescription.lensSpecification.product",
      "short" : "Product to be supplied",
      "definition" : "Identifies the type of vision correction product which is required for the patient.",
      "requirements" : "Need to identify whether glasses or contacts.",
      "min" : 1,
      "max" : "1",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "isSummary" : true,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "VisionProduct"
        }],
        "strength" : "example",
        "description" : "A coded concept describing the vision products.",
        "valueSet" : "http://hl7.org/fhir/ValueSet/vision-product"
      },
      "mapping" : [{
        "identity" : "v2",
        "map" : "RXE-2-Give Code / RXO-1-Requested Give Code / RXD-2-Dispense/Give Code"
      },
      {
        "identity" : "rim",
        "map" : "consumable.role"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.eye",
      "path" : "VisionPrescription.lensSpecification.eye",
      "short" : "right | left",
      "definition" : "The eye for which the lens specification applies.",
      "comment" : "May also appear as OD (oculus dexter) for the right eye and OS (oculus siniter) for the left eye.",
      "requirements" : "Needed to identify which eye the lens specification applies to.",
      "min" : 1,
      "max" : "1",
      "type" : [{
        "code" : "code"
      }],
      "isSummary" : true,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "VisionEyes"
        }],
        "strength" : "required",
        "description" : "A coded concept listing the eye codes.",
        "valueSet" : "http://hl7.org/fhir/ValueSet/vision-eye-codes|4.4.0"
      },
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.sphere",
      "path" : "VisionPrescription.lensSpecification.sphere",
      "short" : "Power of the lens",
      "definition" : "Lens power measured in dioptres (0.25 units).",
      "comment" : "The value is negative for near-sighted and positive for far sighted.\nOften insurance will not cover a lens with power between +75 and -75.",
      "requirements" : "Standard lens prescription measures.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "decimal"
      }],
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.cylinder",
      "path" : "VisionPrescription.lensSpecification.cylinder",
      "short" : "Lens power for astigmatism",
      "definition" : "Power adjustment for astigmatism measured in dioptres (0.25 units).",
      "requirements" : "Standard lens prescription measures.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "decimal"
      }],
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.axis",
      "path" : "VisionPrescription.lensSpecification.axis",
      "short" : "Lens meridian which contain no power for astigmatism",
      "definition" : "Adjustment for astigmatism measured in integer degrees.",
      "comment" : "The limits are +180 and -180 degrees.",
      "requirements" : "Standard lens prescription measures.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "integer"
      }],
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.prism",
      "extension" : [{
        "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-explicit-type-name",
        "valueString" : "Prism"
      }],
      "path" : "VisionPrescription.lensSpecification.prism",
      "short" : "Eye alignment compensation",
      "definition" : "Allows for adjustment on two axis.",
      "requirements" : "Standard lens prescription measures.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "BackboneElement"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.prism.amount",
      "path" : "VisionPrescription.lensSpecification.prism.amount",
      "short" : "Amount of adjustment",
      "definition" : "Amount of prism to compensate for eye alignment in fractional units.",
      "requirements" : "Standard lens prescription measures.",
      "min" : 1,
      "max" : "1",
      "type" : [{
        "code" : "decimal"
      }],
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.prism.base",
      "path" : "VisionPrescription.lensSpecification.prism.base",
      "short" : "up | down | in | out",
      "definition" : "The relative base, or reference lens edge, for the prism.",
      "requirements" : "Standard lens prescription measures.",
      "min" : 1,
      "max" : "1",
      "type" : [{
        "code" : "code"
      }],
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "VisionBase"
        }],
        "strength" : "required",
        "description" : "A coded concept listing the base codes.",
        "valueSet" : "http://hl7.org/fhir/ValueSet/vision-base-codes|4.4.0"
      },
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.add",
      "path" : "VisionPrescription.lensSpecification.add",
      "short" : "Added power for multifocal levels",
      "definition" : "Power adjustment for multifocal lenses measured in dioptres (0.25 units).",
      "requirements" : "Standard lens prescription measures.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "decimal"
      }],
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.power",
      "path" : "VisionPrescription.lensSpecification.power",
      "short" : "Contact lens power",
      "definition" : "Contact lens power measured in dioptres (0.25 units).",
      "requirements" : "Standard contact lens prescription measures.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "decimal"
      }],
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.backCurve",
      "path" : "VisionPrescription.lensSpecification.backCurve",
      "short" : "Contact lens back curvature",
      "definition" : "Back curvature measured in millimetres.",
      "requirements" : "Standard contact lens prescription measures.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "decimal"
      }],
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.diameter",
      "path" : "VisionPrescription.lensSpecification.diameter",
      "short" : "Contact lens diameter",
      "definition" : "Contact lens diameter measured in millimetres.",
      "requirements" : "Standard contact lens prescription measures.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "decimal"
      }],
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.duration",
      "path" : "VisionPrescription.lensSpecification.duration",
      "short" : "Lens wear duration",
      "definition" : "The recommended maximum wear period for the lens.",
      "requirements" : "Standard contact lens prescription measures.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "Quantity",
        "profile" : ["http://hl7.org/fhir/StructureDefinition/SimpleQuantity"]
      }],
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.color",
      "path" : "VisionPrescription.lensSpecification.color",
      "short" : "Color required",
      "definition" : "Special color or pattern.",
      "requirements" : "Standard contact lens prescription measures.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }],
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.brand",
      "path" : "VisionPrescription.lensSpecification.brand",
      "short" : "Brand required",
      "definition" : "Brand recommendations or restrictions.",
      "requirements" : "Standard lens prescription measures.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }],
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "VisionPrescription.lensSpecification.note",
      "path" : "VisionPrescription.lensSpecification.note",
      "short" : "Notes for coatings",
      "definition" : "Notes for special requirements such as coatings and lens materials.",
      "requirements" : "Standard lens prescription measures.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "Annotation"
      }],
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    }]
  }
}

Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.