{
  "resourceType": "StructureDefinition",
  "meta": {
    "lastUpdated": "2019-01-29T10:57:45.289+00:00"
  },
  "implicitRules": "lastMenstrualPeriod_tbd",
  "url": "Extension-Genomics-LastMenstrualPeriod-1",
  "name": "Extension-Genomics-LastMenstrualPeriod-1",
  "status": "draft",
  "fhirVersion": "4.0.0",
  "mapping": [
    {
      "identity": "rim",
      "uri": "http://hl7.org/v3",
      "name": "RIM Mapping"
    }
  ],
  "kind": "complex-type",
  "abstract": false,
  "contextType": "resource",
  "context": [
    "Patient"
  ],
  "type": "Extension",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Extension",
        "path": "Extension",
        "short": "Optional Extensions Element",
        "definition": "Optional Extension Element - found in all resources.",
        "base": {
          "path": "Element",
          "min": 0,
          "max": "*"
        },
        "constraint": [
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "fixedUri": "lastMenstrualPeriodExtension_tbd"
      },
      {
        "id": "Extension.value[x]:valueDate",
        "path": "Extension.valueDate",
        "sliceName": "valueDate",
        "min": 1,
        "type": [
          {
            "code": "date"
          }
        ]
      }
    ]
  }
}