{
  "resourceType": "StructureDefinition",
  "id": "MaiaHiddenReason",
  "url": "https://tiplu.de/fhir/maia/StructureDefinition/MaiaHiddenReason",
  "version": "1.0.0",
  "name": "MaiaHiddenReason",
  "title": "Maia Hidden-Reason",
  "status": "draft",
  "experimental": false,
  "date": "2025-04-30",
  "publisher": "Tiplu GmbH",
  "description": "An extension to flag reasons why specific rule-based evaluation has to be hidden or withheld.",
  "fhirVersion": "4.0.1",
  "kind": "complex-type",
  "abstract": false,
  "context": [
    {
      "expression": "RiskAssessment",
      "type": "element"
    }
  ],
  "type": "Extension",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Extension",
        "path": "Extension",
        "short": "Maia Hidden-Reason",
        "definition": "An extension to flag reasons why specific rule-based evaluation has to be hidden or withheld.",
        "isModifier": true,
        "isModifierReason": "The extension modifies the interpretation of the resource by indicating that information has to be intentionally withheld."
      },
      {
        "id": "Extension.extension",
        "path": "Extension.extension",
        "max": "0"
      },
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "fixedUri": "https://tiplu.de/fhir/maia/StructureDefinition/MaiaHiddenReason"
      },
      {
        "id": "Extension.value[x]",
        "path": "Extension.value[x]",
        "min": 1,
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      },
      {
        "id": "Extension.value[x].coding",
        "path": "Extension.value[x].coding",
        "slicing": {
          "discriminator": [
            {
              "type": "pattern",
              "path": "$this"
            }
          ],
          "rules": "open"
        },
        "min": 1
      },
      {
        "id": "Extension.value[x].coding:Reason",
        "path": "Extension.value[x].coding",
        "sliceName": "Reason",
        "short": "Coding representing the reason for hiding the information.",
        "comment": "Specifies a coded reason, from a controlled vocabulary, explaining why the content has to be hidden.",
        "min": 1,
        "max": "1",
        "patternCoding": {
          "system": "https://tiplu.de/fhir/maia/CodeSystem/MaiaHiddenReasonCS"
        },
        "binding": {
          "strength": "required",
          "valueSet": "https://tiplu.de/fhir/maia/ValueSet/MaiaHiddenReasonVS"
        }
      },
      {
        "id": "Extension.value[x].coding:Reason.system",
        "path": "Extension.value[x].coding.system",
        "min": 1
      },
      {
        "id": "Extension.value[x].coding:Reason.code",
        "path": "Extension.value[x].coding.code",
        "min": 1
      },
      {
        "id": "Extension.value[x].coding:Reason.display",
        "path": "Extension.value[x].coding.display",
        "min": 1
      },
      {
        "id": "Extension.value[x].text",
        "path": "Extension.value[x].text",
        "short": "Text representation of the hidden reason.",
        "comment": "Provides a human-readable explanation for the reason the information has to be hidden."
      }
    ]
  }
}