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  1. Medication Request
  • Getting Started
    • Introduction
    • Supported Standards, Frameworks & API Versions
    • Standardized API Details – Patient and Population Services
    • Environment Endpoints
    • Errors and Exceptions
  • Authentication & Authorization
    • Overview – Authorization & Security Standards
    • Authorization
      • Well-known configuration
      • Authorize
      • Request
      • Introspect
  • Developer Onboarding
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    • Medications
      • Medications
        • By ID
        • By Patient
        • Create a Medication
        • Update a Medication
      • Medication Request
        • Get MedicationRequests by Patient
          GET
        • Get MedicationRequest by ID
          GET
        • Get MedicationRequests by Patient and Intent
          GET
        • Get MedicationRequests by Patient, Intent, and Encounter
          GET
        • Get MedicationRequests by Patient, Intent, and AuthoredOn Date
          GET
        • Create a MedicationRequest
          POST
        • Update a MedicationRequest
          PUT
    • Patient Demographics
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      • Service Request
        • Get ServiceRequests by Patient
        • Get ServiceRequest by ID
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        • Get ServiceRequests by Patient and Code
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        • Create a ServiceRequest
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        • Get Observations by Patient, Code, and Date
  • Legal & Compliance
    • API Terms of Use
  1. Medication Request

Update a MedicationRequest

Sandbox
https://fhir-dev.edvak.com/api/v1/fhir/r4
Sandbox
https://fhir-dev.edvak.com/api/v1/fhir/r4
PUT
https://fhir-dev.edvak.com/api/v1/fhir/r4
/MedicationRequest/{id}
Replaces the whole MedicationRequest with the body you send. This is a full replace, not a partial edit -- any field you leave out is removed.
The id in the body is required and must equal the {id} in the URL.
Send If-Match with the version you last read to avoid overwriting someone else's change. If the version has moved on, the server returns 409.

Request

Authorization
OAuth 2.0
Password
Add the parameter
Authorization
to Headers，whose value is to concatenate the Token after the Bearer.
Example:
Authorization: Bearer ********************
Token URL: https://fhir-dev.edvak.com/api/v1/fhir/r4/realms/EDVAK/protocol/openid-connect/token
or
Path Params

Header Params

Body Params
application/fhir+json
Required

Example
{
    "resourceType": "MedicationRequest",
    "status": "active",
    "intent": "order",
    "medicationCodeableConcept": {
        "coding": [
            {
                "system": "http://www.nlm.nih.gov/research/umls/rxnorm",
                "code": "860975",
                "display": "Metformin 500 MG oral tablet"
            }
        ]
    },
    "subject": {
        "reference": "Patient/example"
    },
    "authoredOn": "2026-08-01",
    "requester": {
        "reference": "Practitioner/example"
    },
    "id": "123"
}

Responses

🟢200
application/fhir+json
Updated
Headers

Bodyapplication/fhir+json

Example
{
    "resourceType": "MedicationRequest",
    "status": "active",
    "intent": "order",
    "medicationCodeableConcept": {
        "coding": [
            {
                "system": "http://www.nlm.nih.gov/research/umls/rxnorm",
                "code": "860975",
                "display": "Metformin 500 MG oral tablet"
            }
        ]
    },
    "subject": {
        "reference": "Patient/example"
    },
    "authoredOn": "2026-08-01",
    "requester": {
        "reference": "Practitioner/example"
    },
    "id": "123",
    "meta": {
        "versionId": "2",
        "lastUpdated": "2026-08-28T10:00:00Z"
    }
}
🟢201
🟠400BadRequest
🟠401Unauthorized
🟠403Forbidden
🟠404NotFound
🟠409VersionConflict
🟠412PreconditionFailed
🟠422UnprocessableEntity
Modified at 2026-08-27 21:47:44
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Create a MedicationRequest
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Patient Demographics
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