---
title: "AST (Aspartate Aminotransferase) Test: What It Measures"
description: "An AST test measures an enzyme linked to liver and muscle injury and helps interpret abnormal liver panels; order and track it with Vitals Vault labs via."
canonical: "https://www.vitalsvault.com/biomarkers/aspartate-aminotransferase-ast"
last-updated: 2026-08-22
---

# AST (Aspartate Aminotransferase) Test: What It Measures

> An AST test measures an enzyme linked to liver and muscle injury and helps interpret abnormal liver panels; order and track it with Vitals Vault labs via.

---

Canonical HTML: https://www.vitalsvault.com/biomarkers/aspartate-aminotransferase-ast
- [llms.txt](https://www.vitalsvault.com/llms.txt)
- [sitemap.xml](https://www.vitalsvault.com/sitemap.xml)
- [Developer portal](https://www.vitalsvault.com/developers)