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{
  "resourceType": "StructureDefinition",
  "id": "digidot-PatientHealthGroup-no",
  "text": {
    "status": "generated",
    "div": "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p>A repeatable Patient health-group assignment with one coded group and a full-date validity period. Periods must not overlap. The Encounter classification remains a separate historical value.</p></div>"
  },
  "url": "https://novari.no/fhir/digidot/StructureDefinition/digidot-PatientHealthGroup-no",
  "version": "0.3.0",
  "name": "DigidotPatientHealthGroupNo",
  "title": "DigiDOT Patient Health Group (NO)",
  "status": "draft",
  "experimental": false,
  "date": "2026-11-03",
  "publisher": "Novari AS - DigiDOT",
  "description": "Readiness: [In development](https://simplifier.net/guide/Visual-overview/Home/Review-status-and-releases.page.md?version=current#readiness-patient-health-group).\n\nDraft repeatable Patient extension for one selected health-group classification and the calendar-date period in which it applies. Multiple non-overlapping periods preserve classification history independently of resource versions.",
  "fhirVersion": "4.0.1",
  "kind": "complex-type",
  "abstract": false,
  "context": [
    {
      "type": "element",
      "expression": "Patient"
    }
  ],
  "type": "Extension",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Extension",
        "path": "Extension",
        "short": "Selected patient health group for one non-overlapping period",
        "min": 0,
        "max": "*",
        "constraint": [
          {
            "key": "patient-health-group-unique-start",
            "severity": "error",
            "human": "Patient health-group periods must have different start dates.",
            "expression": "(%resource is Patient) implies (%resource.extension.where(url = 'https://novari.no/fhir/digidot/StructureDefinition/digidot-PatientHealthGroup-no').where(extension.where(url = 'period').value.ofType(Period).start = %context.extension.where(url = 'period').value.ofType(Period).start).count() = 1)",
            "source": "https://novari.no/fhir/digidot/StructureDefinition/digidot-PatientHealthGroup-no"
          },
          {
            "key": "patient-health-group-no-overlap",
            "severity": "error",
            "human": "A patient health-group period must end before every later health-group period starts; inclusive periods must not overlap.",
            "expression": "(%resource is Patient) implies (%resource.extension.where(url = 'https://novari.no/fhir/digidot/StructureDefinition/digidot-PatientHealthGroup-no').where(extension.where(url = 'period').value.ofType(Period).start > %context.extension.where(url = 'period').value.ofType(Period).start).all(%context.extension.where(url = 'period').value.ofType(Period).end.exists() and extension.where(url = 'period').value.ofType(Period).start > %context.extension.where(url = 'period').value.ofType(Period).end))",
            "source": "https://novari.no/fhir/digidot/StructureDefinition/digidot-PatientHealthGroup-no"
          }
        ]
      },
      {
        "id": "Extension.extension",
        "path": "Extension.extension",
        "min": 2,
        "max": "2",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "rules": "closed"
        }
      },
      {
        "id": "Extension.extension:group",
        "path": "Extension.extension",
        "sliceName": "group",
        "min": 1,
        "max": "1",
        "short": "Coded health group"
      },
      {
        "id": "Extension.extension:group.url",
        "path": "Extension.extension.url",
        "fixedUri": "group"
      },
      {
        "id": "Extension.extension:group.value[x]",
        "path": "Extension.extension.value[x]",
        "min": 1,
        "max": "1",
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "binding": {
          "strength": "required",
          "valueSet": "https://novari.no/fhir/digidot/ValueSet/digidot-helsegruppe",
          "description": "Select one of the current health-group codes in the DigiDOT Health Groups ValueSet. Grouping concepts, retired codes, alternative code systems and text-only classifications are not permitted. Assignment rules are defined separately in the CodeSystem and MPI workflows."
        }
      },
      {
        "id": "Extension.extension:group.valueCodeableConcept.coding",
        "path": "Extension.extension.valueCodeableConcept.coding",
        "min": 1,
        "max": "1"
      },
      {
        "id": "Extension.extension:group.valueCodeableConcept.coding.system",
        "path": "Extension.extension.valueCodeableConcept.coding.system",
        "min": 1
      },
      {
        "id": "Extension.extension:group.valueCodeableConcept.coding.code",
        "path": "Extension.extension.valueCodeableConcept.coding.code",
        "min": 1
      },
      {
        "id": "Extension.extension:period",
        "path": "Extension.extension",
        "sliceName": "period",
        "min": 1,
        "max": "1",
        "short": "Period during which classification applies"
      },
      {
        "id": "Extension.extension:period.url",
        "path": "Extension.extension.url",
        "fixedUri": "period"
      },
      {
        "id": "Extension.extension:period.value[x]",
        "path": "Extension.extension.value[x]",
        "min": 1,
        "max": "1",
        "type": [
          {
            "code": "Period"
          }
        ],
        "constraint": [
          {
            "key": "patient-health-group-full-dates",
            "severity": "error",
            "human": "The start and any supplied end must be full calendar dates (YYYY-MM-DD), without a time.",
            "expression": "start.hasValue() and start.toString().matches('^[0-9]{4}-[0-9]{2}-[0-9]{2}$') and (end.empty() or (end.hasValue() and end.toString().matches('^[0-9]{4}-[0-9]{2}-[0-9]{2}$')))",
            "source": "https://novari.no/fhir/digidot/StructureDefinition/digidot-PatientHealthGroup-no"
          }
        ]
      },
      {
        "id": "Extension.extension:period.valuePeriod.start",
        "path": "Extension.extension.valuePeriod.start",
        "min": 1,
        "short": "First calendar date on which this classification applies (inclusive)"
      },
      {
        "id": "Extension.extension:period.valuePeriod.end",
        "path": "Extension.extension.valuePeriod.end",
        "short": "Last applicable calendar date (inclusive); absent when no end is known or planned"
      },
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "fixedUri": "https://novari.no/fhir/digidot/StructureDefinition/digidot-PatientHealthGroup-no"
      },
      {
        "id": "Extension.value[x]",
        "path": "Extension.value[x]",
        "max": "0"
      }
    ]
  },
  "purpose": "Record one selected classification per period, not all simultaneous eligibility grounds. Use full calendar dates (YYYY-MM-DD), with inclusive start and end dates. The current group is the unique recorded period covering the relevant date; array order and resource update time do not determine it. A missing end means that no end is known or planned. No matching period means that the classification for that date is unknown, not that the patient has no entitlement. Periods may be historical or future-dated. Updating, correcting and authorising assignments is a receiving-service responsibility; this extension does not calculate defaults or enforce eligibility or payment rules. Use the separate Encounter extension for the classification applied at a contact."
}

name : DigidotPatientHealthGroupNo

{

}