{
  "resourceType": "CodeSystem",
  "id": "permitted-data-type",
  "meta": {
    "lastUpdated": "2018-12-27T22:37:54.724+11:00"
  },
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode": "oo"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
      "valueCode": "trial-use"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger": 0
    }
  ],
  "url": "http://hl7.org/fhir/permitted-data-type",
  "identifier": [
    {
      "system": "urn:ietf:rfc:3986",
      "value": "urn:oid:2.16.840.1.113883.4.642.1.1332"
    }
  ],
  "version": "4.0.0",
  "name": "ObservationDataType",
  "title": "ObservationDataType",
  "status": "draft",
  "experimental": false,
  "date": "2018-12-27T22:37:54+11:00",
  "publisher": "HL7 (FHIR Project)",
  "contact": [
    {
      "telecom": [
        {
          "system": "url",
          "value": "http://hl7.org/fhir"
        },
        {
          "system": "email",
          "value": "fhir@lists.hl7.org"
        }
      ]
    }
  ],
  "description": "Permitted data type for observation value.",
  "caseSensitive": true,
  "valueSet": "http://hl7.org/fhir/ValueSet/permitted-data-type",
  "content": "complete",
  "concept": [
    {
      "code": "Quantity",
      "display": "Quantity",
      "definition": "A measured amount."
    },
    {
      "code": "CodeableConcept",
      "display": "CodeableConcept",
      "definition": "A coded concept from a reference terminology and/or text."
    },
    {
      "code": "string",
      "display": "string",
      "definition": "A sequence of Unicode characters."
    },
    {
      "code": "boolean",
      "display": "boolean",
      "definition": "true or false."
    },
    {
      "code": "integer",
      "display": "integer",
      "definition": "A signed integer."
    },
    {
      "code": "Range",
      "display": "Range",
      "definition": "A set of values bounded by low and high."
    },
    {
      "code": "Ratio",
      "display": "Ratio",
      "definition": "A ratio of two Quantity values - a numerator and a denominator."
    },
    {
      "code": "SampledData",
      "display": "SampledData",
      "definition": "A series of measurements taken by a device."
    },
    {
      "code": "time",
      "display": "time",
      "definition": "A time during the day, in the format hh:mm:ss."
    },
    {
      "code": "dateTime",
      "display": "dateTime",
      "definition": "A date, date-time or partial date (e.g. just year or year + month) as used in human communication."
    },
    {
      "code": "Period",
      "display": "Period",
      "definition": "A time range defined by start and end date/time."
    }
  ]
}