PQ: PhysicalQuantity (V3 Data Type) - Clinical Document Architecture v2.0.1-sd-202510-matchbox-patch

• Table of Contents
• Artifacts Summary
• PQ: PhysicalQuantity (V3 Data Type)

Logical Model: PQ: PhysicalQuantity (V3 Data Type)

Official URL:http://hl7.org/cda/stds/core/StructureDefinition/PQ	Version:2.0.1-sd-202510-matchbox-patch
Active as of 2025-10-29	Computable Name:PQ

A dimensioned quantity expressing the result of measuring.

Usages:

• Derived from this Logical Model: IVL_PQ: Interval (V3 Data Type) and IVXB_PQ: Interval Boundary PhysicalQuantity (V3 Data Type)
• Use this Logical Model: Criterion (CDA Class), IVL_PQ: Interval (V3 Data Type), IVL_TS: Interval (V3 Data Type), LabCriterion (CDA Class)...Show 7 more,Observation (CDA Class),ObservationRange (CDA Class),PIVL_TS: PeriodicIntervalOfTime (V3 Data Type),PharmPackagedMedicine (CDA Pharm Class),PlayingEntity (CDA Class),RTO_PQ_PQ: Ratio (V3 Data Type)andSupply (CDA Class)

You can also check for usages in the FHIR IG Statistics

Formal Views of Template Content

Description of Template, Differentials, Snapshots and how the different presentations work.

Other representations of profile: CSV, Excel

Resource Content

{
  "resourceType" : "StructureDefinition",
  "id" : "PQ",
  "extension" : [
    {
      "url" : "http://hl7.org/fhir/tools/StructureDefinition/logical-target",
      "_valueBoolean" : {
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/StructureDefinition/data-absent-reason",
            "valueCode" : "not-applicable"
          }
        ]
      }
    },
    {
      "url" : "http://hl7.org/fhir/tools/StructureDefinition/xml-namespace",
      "valueUri" : "urn:hl7-org:v3"
    },
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-type-characteristics",
      "valueCode" : "can-bind"
    },
    {
      "url" : "http://hl7.org/fhir/tools/StructureDefinition/elementdefinition-binding-style",
      "valueCode" : "CDA"
    },
    {
      "url" : "http://hl7.org/fhir/tools/StructureDefinition/logical-container",
      "valueUri" : "http://hl7.org/cda/stds/core/StructureDefinition/ClinicalDocument"
    }
  ],
  "url" : "http://hl7.org/cda/stds/core/StructureDefinition/PQ",
  "version" : "2.0.1-sd-202510-matchbox-patch",
  "name" : "PQ",
  "title" : "PQ: PhysicalQuantity (V3 Data Type)",
  "status" : "active",
  "experimental" : false,
  "date" : "2025-10-29T22:15:57+01:00",
  "publisher" : "Health Level 7",
  "contact" : [
    {
      "name" : "HL7 International - Structured Documents",
      "telecom" : [
        {
          "system" : "url",
          "value" : "http://www.hl7.org/Special/committees/structure"
        },
        {
          "system" : "email",
          "value" : "structdog@lists.HL7.org"
        }
      ]
    }
  ],
  "description" : "A dimensioned quantity expressing the result of measuring.",
  "fhirVersion" : "5.0.0",
  "mapping" : [
    {
      "identity" : "rim",
      "uri" : "http://hl7.org/v3",
      "name" : "RIM Mapping"
    }
  ],
  "kind" : "logical",
  "abstract" : false,
  "type" : "http://hl7.org/cda/stds/core/StructureDefinition/PQ",
  "baseDefinition" : "http://hl7.org/cda/stds/core/StructureDefinition/QTY",
  "derivation" : "specialization",
  "differential" : {
    "element" : [
      {
        "id" : "PQ",
        "path" : "PQ",
        "definition" : "A dimensioned quantity expressing the result of a measurement act.",
        "min" : 1,
        "max" : "*"
      },
      {
        "id" : "PQ.unit",
        "path" : "PQ.unit",
        "representation" : ["xmlAttr"],
        "label" : "Unit of Measure",
        "definition" : "The unit of measure specified in the Unified Code for Units of Measure (UCUM) [].",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "code",
            "profile" : ["http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"]
          }
        ],
        "defaultValueCode" : "1"
      },
      {
        "id" : "PQ.value",
        "path" : "PQ.value",
        "representation" : ["xmlAttr"],
        "label" : "Maginitude Value",
        "definition" : "The magnitude of the quantity measured in terms of the unit.",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "decimal",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/real-simple"
            ]
          }
        ]
      },
      {
        "id" : "PQ.translation",
        "path" : "PQ.translation",
        "label" : "Translation",
        "definition" : "An alternative representation of the same physical quantity expressed in a different unit, of a different unit code system and possibly with a different value.",
        "min" : 0,
        "max" : "*",
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/PQR"
          }
        ]
      }
    ]
  }
}