{
  "resourceType": "StructureDefinition",
  "id": "iso21090-PQ-translation",
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode": "fhir"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger": 1
    }
  ],
  "url": "http://hl7.org/fhir/StructureDefinition/iso21090-PQ-translation",
  "version": "4.0.0",
  "name": "PQ-translation",
  "status": "draft",
  "date": "2012-06-24",
  "publisher": "Health Level Seven International (Modeling and Methodology)",
  "contact": [
    {
      "telecom": [
        {
          "system": "url",
          "value": "http://www.hl7.org/Special/committees/mnm"
        }
      ]
    }
  ],
  "description": "An alternative representation of the same physical quantity expressed in a different unit from a different unit code system and possibly with a different value.",
  "fhirVersion": "4.0.0",
  "mapping": [
    {
      "identity": "rim",
      "uri": "http://hl7.org/v3",
      "name": "RIM Mapping"
    }
  ],
  "kind": "complex-type",
  "abstract": false,
  "context": [
    {
      "type": "element",
      "expression": "Quantity"
    }
  ],
  "type": "Extension",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Extension",
        "path": "Extension",
        "short": "Same quantity with different units",
        "definition": "An alternative representation of the same physical quantity expressed in a different unit from a different unit code system and possibly with a different value.",
        "comment": "It is not necessary for information processing entities to check and enforce that the translations are valid translations of the base unit, but they are allowed to do so, and to reject instances where the translations are not valid. \nNOTE Translations are allowed to contain other representations in UCUM units, but there is generally no point to this as it is possible to convert from one UCUM form to another.",
        "min": 0,
        "max": "*",
        "mapping": [
          {
            "identity": "rim",
            "map": "PQ.translation"
          }
        ]
      },
      {
        "id": "Extension.extension",
        "path": "Extension.extension",
        "max": "0"
      },
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "type": [
          {
            "code": "uri"
          }
        ],
        "fixedUri": "http://hl7.org/fhir/StructureDefinition/iso21090-PQ-translation"
      },
      {
        "id": "Extension.valueQuantity",
        "path": "Extension.valueQuantity",
        "type": [
          {
            "code": "Quantity"
          }
        ]
      }
    ]
  }
}