{
  "resourceType": "StructureDefinition",
  "id": "variant-zigosity",
  "url": "https://treestudio.healthincode.com/fhir/StructureDefinition/variant-zigosity",
  "version": "1.0.0",
  "name": "VariantZigosity",
  "title": "variant-zigosity",
  "status": "active",
  "publisher": "Health In Code",
  "description": "Extension to indicate the zigosity of a variant",
  "fhirVersion": "4.0.0",
  "kind": "primitive-type",
  "abstract": false,
  "context": [
    {
      "type": "element",
      "expression": "Variant"
    }
  ],
  "type": "Extension",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Extension",
        "path": "Extension",
        "alias": [
          "variant-zigosity"
        ],
        "min": 1,
        "max": "1"
      },
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "fixedString": "https://treestudio.healthincode.com/fhir/StructureDefinition/variant-zigosity"
      },
      {
        "id": "Extension.value[x]",
        "path": "Extension.value[x]",
        "alias": [
          "variant-zigosity"
        ],
        "min": 0,
        "max": "1",
        "type": [
          {
            "code": "code"
          }
        ],
        "binding": {
          "strength": "required",
          "valueSet": "https://treestudio.healthincode.com/fhir/ValueSet/variant-zigosity"
        }
      }
    ]
  }
}