---
title: "Create"
method: POST
path: "/patient-merge/v1"
tags: ["v1"]
---

# Create

`POST /patient-merge/v1`

## Request

- Base URL: `https://pre-api.joincandidhealth.com`
- URL: `https://pre-api.joincandidhealth.com/patient-merge/v1`
- Auth: HTTP bearer

Creates a new patient merge record.

## Request body

- PreEncounterPatientMergesV1MutablePatientMerge: An object representing a patient merge mapping.
  - `alternative_patient_mrn` string, required: The MRN of the patient that was merged.
  - `primary_patient_mrn` string, required: The MRN of the patient that is getting a patient merged into them.

## Response `200`

Response with status 200

- PreEncounterPatientMergesV1PatientMerge: A PatientMerge object with immutable server-owned properties.
  - `organization_id` string, required: The unique identifier for an Organization in the database
  - `deactivated` boolean, required: True if the object is deactivated. Deactivated objects are not returned in search results but are returned in all other endpoints including scan.
  - `version` integer, required: The version of the object. Any update to any property of an object object will create a new version.
  - `updated_at` string, date-time, required
  - `updating_user_id` string, required: The unique identifier for a User in the database
  - `alternative_patient_mrn` string, required: The MRN of the patient that was merged.
  - `primary_patient_mrn` string, required: The MRN of the patient that is getting a patient merged into them.
  - `id` string, required: The unique identifier for a PatientMerge record.

## Other responses

- `400`: Error response with status 400
- `500`: Error response with status 500

## Changes

- **2026-09-17** `24b2d80d577a`: 6 breaking, 1 warning, 13 info
  - added the new required request property `alternative_patient_mrn`
  - added the new required request property `primary_patient_mrn`
  - the request's body type changed from no type to `object`
  - the response's body type changed from no type to `object` for status `200`
  - …16 more
- **2026-09-12** `3a81ee81d4ed`: 1 info
  - api operation id `create` removed and replaced with `v1_create_7`

[Operation history](https://skmtc.dev/joincandidhealth/apis/api-reference/changes/patient-merge/v1/post.md)

---

[API](https://skmtc.dev/joincandidhealth/apis/api-reference.md) - [All operations](https://skmtc.dev/joincandidhealth/apis/api-reference/llms.txt) - [OpenAPI document](https://skmtc.dev/joincandidhealth/apis/api-reference/revisions/d8b0a61873e2?raw)