Cross-Version Extension for Encounter.reason in R2

Context of Use

This extension may be used in the following contexts:

• element Encounter (For version R5)
• extension http://hl7.org/fhir/5.0/StructureDefinition/extension-Encounter

Name	Flags	Card.	Type	Description & Constraints
Extension		0..*	Extension	Reason the encounter takes place (code)
extension		..0
value[x]		1..
url				"http://hl7.org/fhir/1.0/StructureDefinition/extension-Encounter.reason"
Documentation for this format

{
  "resourceType" : "StructureDefinition",
  "id" : "xv-r2-enc.reason",
  "url" : "http://hl7.org/fhir/1.0/StructureDefinition/extension-Encounter.reason",
  "name" : "XVerExtensionEncounter.reasonR2",
  "title" : "Cross-Version Extension for Encounter.reason in R2",
  "status" : "active",
  "experimental" : false,
  "publisher" : "Health Level Seven International (Patient Administration)",
  "contact" : [{
    "telecom" : [{
      "system" : "other",
      "value" : "http://hl7.org/fhir"
    }]
  },
  {
    "telecom" : [{
      "system" : "other",
      "value" : "http://www.hl7.org/Special/committees/pafm/index.cfm"
    }]
  }],
  "description" : "Cross-Version Extension for Encounter.reason. Valid in versions R5\r\n\r\nThis is a valid extension because the types CodeableConcept were removed in a later version",
  "jurisdiction" : [{
    "coding" : [{
      "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
      "code" : "001"
    }]
  }],
  "fhirVersion" : "5.0.0",
  "kind" : "complex-type",
  "abstract" : false,
  "context" : [{
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "5.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "5.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "Encounter"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-Encounter"
  }],
  "type" : "Extension",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation" : "constraint",
  "differential" : {
    "element" : [{
      "path" : "Extension",
      "short" : "Reason the encounter takes place (code)",
      "definition" : "Reason the encounter takes place, expressed as a code. For admissions, this can be used for a coded admission diagnosis.",
      "comment" : "For systems that need to know which was the primary diagnosis, these will be marked with the standard extension primaryDiagnosis (which is a sequence value rather than a flag, 1 = primary diagnosis).",
      "alias" : ["Indication",
      "Admission diagnosis"],
      "min" : 0,
      "max" : "*",
      "isModifier" : false,
      "mapping" : [{
        "identity" : "v2",
        "map" : "EVN-4 / PV2-3 (note: PV2-3 is nominally constrained to inpatient admissions; HL7 v2 makes no vocabulary suggestions for PV2-3; would not expect PV2 segment or PV2-3 to be in use in all implementations )"
      },
      {
        "identity" : "rim",
        "map" : ".reasonCode"
      },
      {
        "identity" : "w5",
        "map" : "why"
      }]
    },
    {
      "path" : "Extension.extension",
      "max" : "0"
    },
    {
      "path" : "Extension.value[x]",
      "min" : 1
    },
    {
      "path" : "Extension.url",
      "fixedUri" : "http://hl7.org/fhir/1.0/StructureDefinition/extension-Encounter.reason"
    }]
  }
}