{
  "resourceType": "StructureDefinition",
  "id": "medicationdispense-validityPeriod",
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode": "phx"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger": 1
    }
  ],
  "url": "http://hl7.org/fhir/StructureDefinition/medicationdispense-validityPeriod",
  "name": "validityPeriod",
  "title": "validityPeriod",
  "status": "draft",
  "date": "2015-02-17",
  "publisher": "Health Level Seven, Inc. - FHIR WG",
  "contact": [
    {
      "telecom": [
        {
          "system": "url",
          "value": "HL7"
        }
      ]
    }
  ],
  "description": "The time interval when the medication must be administered. The start and end times must be expressed as dateTimes, not times relative to the dispensing time (e.g. use within 24 hours).",
  "fhirVersion": "3.0.1",
  "mapping": [
    {
      "identity": "rim",
      "uri": "http://hl7.org/v3",
      "name": "RIM Mapping"
    }
  ],
  "kind": "complex-type",
  "abstract": false,
  "contextType": "resource",
  "context": [
    "MedicationDispense"
  ],
  "type": "Extension",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Extension",
        "path": "Extension",
        "short": "Time interval for medication administration",
        "definition": "The time interval when the medication must be administered. The start and end times must be expressed as dateTimes, not times relative to the dispensing time (e.g. use within 24 hours).",
        "min": 0,
        "max": "1"
      },
      {
        "id": "Extension.extension",
        "path": "Extension.extension",
        "max": "0"
      },
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "type": [
          {
            "code": "uri"
          }
        ],
        "fixedUri": "http://hl7.org/fhir/StructureDefinition/medicationdispense-validityPeriod"
      },
      {
        "id": "Extension.valuePeriod",
        "path": "Extension.valuePeriod",
        "type": [
          {
            "code": "Period"
          }
        ]
      }
    ]
  }
}