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

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• IVL_TS: Interval (V3 Data Type)

Logical Model: IVL_TS: Interval (V3 Data Type)

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

A set of consecutive values of an ordered base data type.

Usages:

• Use this Logical Model: AD: PostalAddress (V3 Data Type), Act (CDA Class), AlternateIdentification (CDA Class), Criterion (CDA Class)...Show 23 more,EN: EntityName (V3 Data Type),EncompassingEncounter (CDA Class),Encounter (CDA Class),EncounterParticipant (CDA Class),LabCriterion (CDA Class),MaintainedEntity (CDA Class),Material (CDA Class),Observation (CDA Class),ObservationRange (CDA Class),OrganizationPartOf (CDA Class),Organizer (CDA Class),PIVL_TS: PeriodicIntervalOfTime (V3 Data Type),Participant1 (CDA Class),Participant2 (CDA Class),Performer1 (CDA Class),Performer2 (CDA Class),Procedure (CDA Class),RelatedEntity (CDA Class),SXPR_TS: Component part of GTS (V3 Data Type),ServiceEvent (CDA Class),SubstanceAdministration (CDA Class),Supply (CDA Class)andTEL: TelecommunicationAddress (V3 Data Type)

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" : "IVL-TS",
  "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/tools/StructureDefinition/logical-container",
      "valueUri" : "http://hl7.org/cda/stds/core/StructureDefinition/ClinicalDocument"
    }
  ],
  "url" : "http://hl7.org/cda/stds/core/StructureDefinition/IVL-TS",
  "version" : "2.0.1-sd-202510-matchbox-patch",
  "name" : "IVL_TS",
  "title" : "IVL_TS: Interval (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 set of consecutive values of an ordered base data type.",
  "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/IVL_TS",
  "baseDefinition" : "http://hl7.org/cda/stds/core/StructureDefinition/SXCM-TS",
  "derivation" : "specialization",
  "differential" : {
    "element" : [
      {
        "id" : "IVL_TS",
        "path" : "IVL_TS",
        "min" : 1,
        "max" : "*",
        "constraint" : [
          {
            "key" : "ivl-ts-center",
            "severity" : "error",
            "human" : "Center cannot co-exist with low or high",
            "expression" : "center.empty() or (low.empty() and high.empty())"
          }
        ]
      },
      {
        "id" : "IVL_TS.low",
        "path" : "IVL_TS.low",
        "label" : "Low Boundary",
        "definition" : "This is the low limit of the interval.",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/IVXB-TS"
          }
        ]
      },
      {
        "id" : "IVL_TS.center",
        "path" : "IVL_TS.center",
        "label" : "Central Value",
        "definition" : "The arithmetic mean of the interval (low plus high divided by 2). The purpose of distinguishing the center as a semantic property is for conversions of intervals from and to point values.",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/TS"
          }
        ]
      },
      {
        "id" : "IVL_TS.width",
        "path" : "IVL_TS.width",
        "label" : "Width",
        "definition" : "The difference between high and low boundary. The purpose of distinguishing a width property is to handle all cases of incomplete information symmetrically. In any interval representation only two of the three properties high, low, and width need to be stated and the third can be derived.",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/PQ"
          }
        ]
      },
      {
        "id" : "IVL_TS.high",
        "path" : "IVL_TS.high",
        "label" : "High Boundary",
        "definition" : "This is the high limit of the interval.",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/IVXB-TS"
          }
        ]
      }
    ]
  }
}