{

"resourceType": "CodeSystem",
"id": "permitted-data-type",
"meta": {
  "lastUpdated": "2019-11-01T09:29:23.356+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:2.16.840.1.113883.4.642.4.1332"
  }
],
"version": "4.0.1",
"name": "ObservationDataType",
"title": "ObservationDataType",
"status": "draft",
"experimental": false,
"date": "2019-11-01T09:29:23+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."
  }
]

}