{
  "resourceType": "StructureDefinition",
  "id": "dc39b81e-9b03-445e-bcfa-b571c3e44de6",
  "meta": {
    "lastUpdated": "2019-10-21T20:29:30.676+00:00"
  },
  "url": "http://ots.nccn.org/hl7/fhir/StructureDefinition/cycleConstraint",
  "name": "cycleConstraint",
  "title": "cycleConstraint",
  "status": "active",
  "experimental": false,
  "date": "2019-10-21T20:29:30.3957668+00:00",
  "publisher": "National Comprehensive Cancer Network, Inc.",
  "contact": [
    {
      "telecom": [
        {
          "system": "url",
          "value": "https://www.nccn.org/about/contact.aspx",
          "use": "work"
        }
      ]
    }
  ],
  "description": "A classification system for cycleConstraints that appear within the NCCN Chemotherapy Order Templates",
  "copyright": "National Comprehensive Cancer Network, Inc. (c) 2017. All right reserved.",
  "fhirVersion": "3.0.1",
  "kind": "complex-type",
  "abstract": false,
  "contextType": "resource",
  "context": [
    "ActivityDefinition.dosage.timing"
  ],
  "type": "Extension",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Extension",
        "path": "Extension",
        "short": "Day on which the medication/agent is to be administered.",
        "definition": "A code to denote the preferred unit when referring to the cycle period of this regimen.",
        "comment": "The units in which the regimen length is defined (i.e. number of cycles vs number of doses)"
      },
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "fixedUri": "http://ots.nccn.org/hl7/fhir/StructureDefinition/cycleConstraint"
      },
      {
        "id": "Extension.value[x]:valueInteger",
        "path": "Extension.valueInteger",
        "sliceName": "valueInteger",
        "type": [
          {
            "code": "integer"
          }
        ]
      }
    ]
  }
}