http://terminology.hl7.org/CodeSystem/v3-CalendarCycle|2018-08-12

{
  "description" : " Calendar cycle identifiers",
  "compose" : null,
  "package" : "hl7.fhir.r4.core@4.0.1",
  "date" : "2018-08-11T14:00:00Z",
  "meta" : {
    "lastUpdated" : "2018-08-12T00:00:00.000+10:00"
  },
  "publisher" : "HL7, Inc",
  "content" : "complete",
  "property" : [ {
    "uri" : "http://hl7.org/fhir/concept-properties#notSelectable",
    "code" : "notSelectable",
    "type" : "boolean",
    "description" : "Indicates that the code is abstract - only intended to be used as a selector for other concepts"
  }, {
    "uri" : "http://hl7.org/fhir/concept-properties#status",
    "code" : "status",
    "type" : "code",
    "description" : "A property that indicates the status of the concept. One of active, experimental, deprecated, retired"
  }, {
    "uri" : "http://hl7.org/fhir/concept-properties#deprecationDate",
    "code" : "deprecationDate",
    "type" : "dateTime",
    "description" : "The date at which a concept was deprecated. Concepts that are deprecated but not inactive can still be used, but their use is discouraged"
  }, {
    "uri" : "http://hl7.org/fhir/concept-properties#child",
    "code" : "child",
    "type" : "code",
    "description" : "The concept identified in this property is a child of the concept on which it is a property. The property type will be 'code'. The meaning of parent/child relationships is defined by the hierarchyMeaning attribute"
  } ],
  "name" : "v3.CalendarCycle",
  "experimental" : false,
  "resourceType" : "CodeSystem",
  "title" : "v3 Code System CalendarCycle",
  "supliment" : null,
  "extension" : [ {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode" : "external"
  }, {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 0
  } ],
  "status" : "active",
  "hierarchyMeaning" : "is-a",
  "id" : "73bdf170-e73d-5914-83d7-83adc0b59d7a",
  "valueSet" : "http://terminology.hl7.org/ValueSet/v3-CalendarCycle",
  "url" : "http://terminology.hl7.org/CodeSystem/v3-CalendarCycle",
  "identifier" : [ {
    "value" : "urn:oid:2.16.840.1.113883.5.9",
    "system" : "urn:ietf:rfc:3986"
  } ],
  "concept" : [ {
    "code" : "_CalendarCycleOneLetter",
    "concept" : [ {
      "code" : "CW",
      "display" : "week (continuous)",
      "definition" : "week (continuous)"
    }, {
      "code" : "CY",
      "display" : "year",
      "definition" : "year"
    }, {
      "code" : "D",
      "display" : "day of the month",
      "definition" : "day of the month"
    }, {
      "code" : "DW",
      "display" : "day of the week (begins with Monday)",
      "definition" : "day of the week (begins with Monday)"
    }, {
      "code" : "H",
      "display" : "hour of the day",
      "definition" : "hour of the day"
    }, {
      "code" : "M",
      "display" : "month of the year",
      "definition" : "month of the year"
    }, {
      "code" : "N",
      "display" : "minute of the hour",
      "definition" : "minute of the hour"
    }, {
      "code" : "S",
      "display" : "second of the minute",
      "definition" : "second of the minute"
    } ],
    "display" : "CalendarCycleOneLetter",
    "property" : [ {
      "code" : "notSelectable",
      "valueBoolean" : true
    }, {
      "code" : "status",
      "valueCode" : "deprecated"
    }, {
      "code" : "deprecationDate",
      "valueDateTime" : "2013-06-29"
    } ],
    "definition" : "CalendarCycleOneLetter"
  }, {
    "code" : "_CalendarCycleTwoLetter",
    "concept" : [ {
      "code" : "CD",
      "display" : "day (continuous)",
      "definition" : "day (continuous)"
    }, {
      "code" : "CH",
      "display" : "hour (continuous)",
      "definition" : "hour (continuous)"
    }, {
      "code" : "CM",
      "display" : "month (continuous)",
      "definition" : "month (continuous)"
    }, {
      "code" : "CN",
      "display" : "minute (continuous)",
      "definition" : "minute (continuous)"
    }, {
      "code" : "CS",
      "display" : "second (continuous)",
      "definition" : "second (continuous)"
    }, {
      "code" : "DY",
      "display" : "day of the year",
      "definition" : "day of the year"
    }, {
      "code" : "WY",
      "display" : "week of the year",
      "definition" : "week of the year"
    } ],
    "display" : "CalendarCycleTwoLetter",
    "property" : [ {
      "code" : "notSelectable",
      "valueBoolean" : true
    }, {
      "code" : "status",
      "valueCode" : "deprecated"
    }, {
      "code" : "deprecationDate",
      "valueDateTime" : "2013-06-29"
    }, {
      "code" : "child",
      "valueCode" : "CW"
    }, {
      "code" : "child",
      "valueCode" : "CY"
    }, {
      "code" : "child",
      "valueCode" : "D"
    }, {
      "code" : "child",
      "valueCode" : "DW"
    }, {
      "code" : "child",
      "valueCode" : "H"
    }, {
      "code" : "child",
      "valueCode" : "M"
    }, {
      "code" : "child",
      "valueCode" : "N"
    }, {
      "code" : "child",
      "valueCode" : "S"
    } ],
    "definition" : "CalendarCycleTwoLetter"
  }, {
    "code" : "WM",
    "display" : "week of the month",
    "definition" : "The week with the month's first Thursday in it (analagous to the ISO 8601 definition for week of the year)."
  } ],
  "caseSensitive" : true,
  "version" : "2018-08-12",
  "contact" : [ {
    "telecom" : [ {
      "value" : "http://hl7.org",
      "system" : "url"
    } ]
  } ]
}