---
title: "Get Lab Test Version History"
method: GET
path: "/v3/lab_tests/{lab_test_id}/version"
tags: ["lab_tests"]
---

# Get Lab Test Version History

`GET /v3/lab_tests/{lab_test_id}/version`

## Request

- Base URL: `https://api.us.junction.com`
- URL: `https://api.us.junction.com/v3/lab_tests/{lab_test_id}/version`
- Auth: API key in header `x-vital-api-key`

List immutable marker-set versions under the established lab-tests resource.

## Path parameters

- `lab_test_id` string, uuid, required

## Query parameters

- `next_cursor` string, nullable
- `size` integer

## Response `200`

Successful Response

- GetLabTestVersionHistoryResponse
  - `data` LabTestVersionSummary[], required
    - `version` integer, required
    - `created_at` string, date-time, required
    - `markers` LabTestVersionMarkerSummary[], required
      - `id` integer, required
      - `name` string, required
      - `provider_id` string, nullable, required
  - `next_cursor` string, nullable, required

## Other responses

- `422`: Validation Error

## Changes

- **2026-10-12** `994b613f83e8`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/tryvital/apis/junction-api/changes/v3/lab_tests/:lab_test_id/version/get.md)

---

[API](https://skmtc.dev/tryvital/apis/junction-api.md) - [All operations](https://skmtc.dev/tryvital/apis/junction-api/llms.txt) - [OpenAPI document](https://skmtc.dev/tryvital/apis/junction-api/revisions/d03cc5276c6b?raw)