{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/canvas-medical/main/json-schema/canvas-medical-medication-request-schema.json",
  "title": "MedicationRequest",
  "x-generated": "2026-10-12",
  "x-method": "derived",
  "x-generator": "derive-json-schema.py",
  "x-source": "openapi/canvas-medical-medication-request-api-openapi.yml#/components/schemas/MedicationRequest",
  "allOf": [
    {
      "$ref": "#/$defs/FHIRResource"
    },
    {
      "type": "object",
      "required": [
        "resourceType",
        "status",
        "intent",
        "subject"
      ],
      "properties": {
        "resourceType": {
          "type": "string",
          "default": "MedicationRequest"
        },
        "status": {
          "type": "string",
          "enum": [
            "active",
            "on-hold",
            "cancelled",
            "completed",
            "entered-in-error",
            "stopped",
            "draft",
            "unknown"
          ]
        },
        "intent": {
          "type": "string",
          "enum": [
            "proposal",
            "plan",
            "order",
            "original-order",
            "reflex-order",
            "filler-order",
            "instance-order",
            "option"
          ]
        },
        "medicationCodeableConcept": {
          "$ref": "#/$defs/CodeableConcept"
        },
        "medicationReference": {
          "$ref": "#/$defs/Reference"
        },
        "subject": {
          "$ref": "#/$defs/Reference"
        },
        "encounter": {
          "$ref": "#/$defs/Reference"
        },
        "authoredOn": {
          "type": "string",
          "format": "date-time"
        },
        "requester": {
          "$ref": "#/$defs/Reference"
        }
      }
    }
  ],
  "$defs": {
    "CodeableConcept": {
      "type": "object",
      "properties": {
        "coding": {
          "type": "array",
          "items": {
            "$ref": "#/$defs/Coding"
          }
        },
        "text": {
          "type": "string"
        }
      }
    },
    "Coding": {
      "type": "object",
      "properties": {
        "system": {
          "type": "string"
        },
        "version": {
          "type": "string"
        },
        "code": {
          "type": "string"
        },
        "display": {
          "type": "string"
        },
        "userSelected": {
          "type": "boolean"
        }
      }
    },
    "FHIRResource": {
      "type": "object",
      "description": "Base FHIR R4 resource properties",
      "properties": {
        "resourceType": {
          "type": "string",
          "description": "FHIR resource type name"
        },
        "id": {
          "type": "string",
          "description": "Logical id of this artifact"
        },
        "meta": {
          "$ref": "#/$defs/Meta"
        },
        "text": {
          "$ref": "#/$defs/Narrative"
        }
      }
    },
    "Meta": {
      "type": "object",
      "properties": {
        "versionId": {
          "type": "string"
        },
        "lastUpdated": {
          "type": "string",
          "format": "date-time"
        },
        "source": {
          "type": "string"
        },
        "profile": {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "tag": {
          "type": "array",
          "items": {
            "$ref": "#/$defs/Coding"
          }
        }
      }
    },
    "Narrative": {
      "type": "object",
      "properties": {
        "status": {
          "type": "string",
          "enum": [
            "generated",
            "extensions",
            "additional",
            "empty"
          ]
        },
        "div": {
          "type": "string"
        }
      }
    },
    "Reference": {
      "type": "object",
      "properties": {
        "reference": {
          "type": "string"
        },
        "type": {
          "type": "string"
        },
        "display": {
          "type": "string"
        }
      }
    }
  }
}