Cross-Version Extension for Observation.value[x] in R5

URLhttp://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.value[x]
Version
Statusactive
Description

Cross-Version Extension for Observation.value[x]. Valid in versions R2, R3, R4, R4B

This is a valid extension because it has the types Reference, Attachment

Context of Use

This extension may be used in the following contexts:

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..1ExtensionActual result
... extension ..0
... value[x] 1..
.... valueAttachmentAttachment
.... valueReferenceReference(MolecularSequence)
... url "http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.value[x]"

doco Documentation for this format
{
  "resourceType" : "StructureDefinition",
  "id" : "xv-r5-obs.value[x]",
  "url" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.value[x]",
  "name" : "XVerExtensionObservation.value[x]R5",
  "title" : "Cross-Version Extension for Observation.value[x] in R5",
  "status" : "active",
  "experimental" : false,
  "publisher" : "Health Level Seven International (Orders and Observations)",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://hl7.org/fhir"
    }]
  },
  {
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org/Special/committees/orders/index.cfm"
    }]
  }],
  "description" : "Cross-Version Extension for Observation.value[x]. Valid in versions R2, R3, R4, R4B\r\n\r\nThis is a valid extension because it has the types Reference, Attachment",
  "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" : "4.3"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "4.3"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "Observation"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/4.3/StructureDefinition/extension-Observation"
  },
  {
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "4.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "4.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "Observation"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/4.0/StructureDefinition/extension-Observation"
  },
  {
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "3.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "3.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "Observation"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/3.0/StructureDefinition/extension-Observation"
  },
  {
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "3.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "3.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "Observation.related"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/3.0/StructureDefinition/extension-Observation.related"
  },
  {
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "1.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "1.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "Observation"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/1.0/StructureDefinition/extension-Observation"
  },
  {
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "1.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "1.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "Observation.related"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/1.0/StructureDefinition/extension-Observation.related"
  }],
  "type" : "Extension",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation" : "constraint",
  "differential" : {
    "element" : [{
      "path" : "Extension",
      "short" : "Actual result",
      "definition" : "The information determined as a result of making the observation, if the information has a simple value.",
      "comment" : "- An observation may have:\n  1.  a single value here\n  1.  both a value and a set of related or component values\n  1.  only a set of related or component values.\n-  If a value is present, the datatype for this element should be determined by the `code`.\n-  *CodeableConcept* with just a text would be used instead of a string if the field was usually coded, or if the type associated with the `code` defines a coded value.\n-  *Attachment* is used if the observation result value is a binary file such as an image.  If the observation result value is derived from the binary file (for example 'X' detected and here is the the proof in this image), the binary file may be directly represented using *DocumentReference* and referenced by `derivedFrom`.\n- The usage of valueReference is restricted to the MolecularSequence resource when used as a definitional resource, not as a patient-specific finding. .\n- For additional guidance, see the [Notes section](observation.html#notes) below.",
      "requirements" : "An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.",
      "min" : 0,
      "max" : "1",
      "isModifier" : false,
      "mapping" : [{
        "identity" : "sct-concept",
        "map" : "< 441742003 |Evaluation finding|"
      },
      {
        "identity" : "v2",
        "map" : "OBX-2, OBX-5, OBX-6"
      },
      {
        "identity" : "rim",
        "map" : "value"
      },
      {
        "identity" : "sct-attr",
        "map" : "363714003 |Interprets|"
      }]
    },
    {
      "path" : "Extension.extension",
      "max" : "0"
    },
    {
      "path" : "Extension.value[x]",
      "min" : 1,
      "type" : [{
        "code" : "Attachment"
      },
      {
        "code" : "Reference",
        "targetProfile" : ["http://hl7.org/fhir/StructureDefinition/MolecularSequence"]
      }]
    },
    {
      "path" : "Extension.url",
      "fixedUri" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.value[x]"
    }]
  }
}