{
  "resourceType": "StructureDefinition",
  "id": "ext-accession-number",
  "language": "en-US",
  "url": "http://fhir.health.gov.il/StructureDefinition/ext-accession-number",
  "version": "0.21.0",
  "name": "AccessionNumber",
  "title": "Ext: Accession Number",
  "status": "active",
  "date": "2026-03-23",
  "publisher": "Israel Core Team",
  "contact": [
    {
      "telecom": [
        {
          "system": "email",
          "value": "tal.primak@moh.gov.il"
        }
      ]
    }
  ],
  "description": "Extension: Accession Number. The Accession Number of the ImagingStudy",
  "fhirVersion": "4.0.1",
  "kind": "complex-type",
  "abstract": false,
  "context": [
    {
      "type": "element",
      "expression": "ImagingStudy"
    }
  ],
  "type": "Extension",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Extension",
        "path": "Extension",
        "short": "Ext: Accession Number",
        "definition": "Extension: Accession Number. The Accession Number of the ImagingStudy"
      },
      {
        "id": "Extension.extension",
        "path": "Extension.extension",
        "max": "0"
      },
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "fixedUri": "http://fhir.health.gov.il/StructureDefinition/ext-accession-number"
      },
      {
        "id": "Extension.value[x]",
        "path": "Extension.value[x]",
        "type": [
          {
            "code": "Identifier"
          }
        ]
      },
      {
        "id": "Extension.value[x].type",
        "path": "Extension.value[x].type",
        "min": 1,
        "patternCodeableConcept": {
          "coding": [
            {
              "code": "ACSN",
              "system": "http://terminology.hl7.org/CodeSystem/v2-0203"
            }
          ]
        }
      }
    ]
  }
}