FHIR IG Statistics: StructureDefinition/IVL-TS

Resources that use this resource

Resources that this resource uses

Narrative

Note: links and images are rebased to the (stated) source

Generated Narrative: StructureDefinition IVL-TS

Name	Flags	Card.	Type	Description & Constraints
IVL_TS	C	1..*	SXCM_TS	XML Namespace: urn:hl7-org:v3 Elements defined in Ancestors:@nullFlavor, @value, @operator Base for all types and resources Logical Container: ClinicalDocument (CDA Class) Constraints: ivl-ts-center
low		0..1	IVXB_TS
center		0..1	TS
width		0..1	PQ
high		0..1	IVXB_TS
Documentation for this format

Source

{
  "resourceType": "StructureDefinition",
  "id": "IVL-TS",
  "text": {
    "status": "extensions",
    "div": "<!-- snip (see above) -->"
  },
  "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/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger": 1,
      "_valueInteger": {
        "extension": [
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
            "valueCanonical": "http://ns.electronichealth.net.au/cda/ImplementationGuide/au.digitalhealth.cda.schema"
          }
        ]
      }
    }
  ],
  "url": "http://hl7.org/cda/stds/core/StructureDefinition/IVL-TS",
  "version": "1.0.0",
  "name": "IVL_TS",
  "title": "IVL_TS: Interval (V3 Data Type)",
  "status": "active",
  "experimental": false,
  "date": "2025-07-21T22:05:27+00:00",
  "publisher": "HL7",
  "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",
  "snapshot": {
    "extension": [
      {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version",
        "valueString": "1.0.0"
      }
    ],
    "element": [
      {
        "id": "IVL_TS",
        "path": "IVL_TS",
        "short": "Base for all types and resources",
        "definition": "A quantity specifying a point on the axis of natural time. A point in time is most often represented as a calendar expression.",
        "min": 1,
        "max": "*",
        "base": {
          "path": "Base",
          "min": 0,
          "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())"
          }
        ],
        "isModifier": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "IVL_TS.nullFlavor",
        "path": "IVL_TS.nullFlavor",
        "representation": [
          "xmlAttr"
        ],
        "label": "Exceptional Value Detail",
        "definition": "If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "ANY.nullFlavor",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "code",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "binding": {
          "strength": "required",
          "valueSet": "http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor"
        }
      },
      {
        "id": "IVL_TS.value",
        "extension": [
          {
            "url": "http://hl7.org/fhir/tools/StructureDefinition/elementdefinition-date-format",
            "valueString": "YYYYMMDDHHMMSS.UUUU[+|-ZZzz]"
          },
          {
            "url": "http://hl7.org/fhir/tools/StructureDefinition/elementdefinition-date-rules",
            "valueString": "year-valid"
          }
        ],
        "path": "IVL_TS.value",
        "representation": [
          "xmlAttr"
        ],
        "definition": "A quantity specifying a point on the axis of natural time. A point in time is most often represented as a calendar expression.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "TS.value",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "dateTime",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/ts-simple"
            ]
          }
        ]
      },
      {
        "id": "IVL_TS.operator",
        "path": "IVL_TS.operator",
        "representation": [
          "xmlAttr"
        ],
        "definition": "A code specifying whether the set component is included (union) or excluded (set-difference) from the set, or other set operations with the current set component and the set as constructed from the representation stream up to the current point.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "SXCM_TS.operator",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "code",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "defaultValueCode": "I",
        "binding": {
          "strength": "required",
          "valueSet": "http://hl7.org/cda/stds/core/ValueSet/CDASetOperator"
        }
      },
      {
        "id": "IVL_TS.low",
        "path": "IVL_TS.low",
        "label": "Low Boundary",
        "definition": "This is the low limit of the interval.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "IVL_TS.low",
          "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",
        "base": {
          "path": "IVL_TS.center",
          "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",
        "base": {
          "path": "IVL_TS.width",
          "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",
        "base": {
          "path": "IVL_TS.high",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/IVXB-TS"
          }
        ]
      }
    ]
  },
  "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"
          }
        ]
      }
    ]
  }
}