fhir-schemas/fhir.schema.json/Quantity.schema.json

Schemas for Fast Healthcare Interoperability Resources.

{
  "schema": "http://json-schema.org/draft-04/schema#",
  "$id": "http://hl7.org/fhir/json-schema/Quantity",
  "$ref": "#/definitions/Quantity",
  "description": "see http://hl7.org/fhir/json.html#schema for information about the FHIR Json Schemas",
  "definitions": {
    "Quantity": {
      "allOf": [
        {
          "$ref": "Element#/definitions/Element"
        },
        {
          "description": "A measured amount (or an amount that can potentially be measured). Note that measured amounts include amounts that are not precisely quantified, including amounts involving arbitrary units and floating currencies.",
          "properties": {
            "value": {
              "description": "The value of the measured amount. The value includes an implicit precision in the presentation of the value.",
              "type": "number",
              "pattern": "-?([0]|([1-9][0-9]*))(\\.[0-9]+)?"
            },
            "_value": {
              "description": "Extensions for value",
              "$ref": "http://hl7.org/fhir/json-schema/Element#/definitions/Element"
            },
            "comparator": {
              "description": "How the value should be understood and represented - whether the actual value is greater or less than the stated value due to measurement issues; e.g. if the comparator is \"\u003c\" , then the real value is \u003c stated value.",
              "enum": [
                "\u003c",
                "\u003c\u003d",
                "\u003e\u003d",
                "\u003e"
              ],
              "type": "string"
            },
            "_comparator": {
              "description": "Extensions for comparator",
              "$ref": "http://hl7.org/fhir/json-schema/Element#/definitions/Element"
            },
            "unit": {
              "description": "A human-readable form of the unit.",
              "type": "string"
            },
            "_unit": {
              "description": "Extensions for unit",
              "$ref": "http://hl7.org/fhir/json-schema/Element#/definitions/Element"
            },
            "system": {
              "description": "The identification of the system that provides the coded form of the unit.",
              "type": "string"
            },
            "_system": {
              "description": "Extensions for system",
              "$ref": "http://hl7.org/fhir/json-schema/Element#/definitions/Element"
            },
            "code": {
              "description": "A computer processable form of the unit in some unit representation system.",
              "type": "string",
              "pattern": "[^\\s]+([\\s]?[^\\s]+)*"
            },
            "_code": {
              "description": "Extensions for code",
              "$ref": "http://hl7.org/fhir/json-schema/Element#/definitions/Element"
            }
          }
        }
      ]
    }
  }
}