---
title: "Get Biomarker"
method: GET
path: "/biomarkers/{biomarker_id}"
tags: ["biomarkers"]
---

# Get Biomarker

`GET /biomarkers/{biomarker_id}`

## Request

- Base URL: `https://api.alpha-grid.ai` (the document declares no server; this is the origin it was published from)
- URL: `https://api.alpha-grid.ai/biomarkers/{biomarker_id}`
- Auth: HTTP bearer

Get a single biomarker by ID.

## Path parameters

- `biomarker_id` integer, required

## Response `200`

Successful Response

- BiomarkerOut
  - `biomarker_name` string, required
  - `value_numeric` number, nullable
  - `value_text` string, nullable
  - `unit` string, nullable
  - `assay_method` string, nullable
  - `threshold_positive` number, nullable
  - `measured_at` string, date-time, nullable
  - `id` integer, required
  - `patient_id` integer, required
  - `modality_id` integer, nullable
  - `created_at` string, date-time, required

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/alpha-grid/apis/alphagrid-backend-dev.md) - [All operations](https://skmtc.dev/alpha-grid/apis/alphagrid-backend-dev/llms.txt) - [OpenAPI document](https://skmtc.dev/alpha-grid/apis/alphagrid-backend-dev/revisions/13bab0bdd466?raw)