Panel guide
AST
AST is an enzyme associated with liver and other tissues.
General biomarker education — not personalized medical advice. Learn more
What it measures
Aspartate aminotransferase (AST) is reported in U/L. Laboratories print their own reference ranges.
Important note
This is general information about laboratory markers. It is not a diagnosis, treatment plan, or personalized medical advice. Discuss your results with your clinician.
Upload the report you just learned to read
Confirm extracted values against your source PDF. Charts use the range printed on that report.
See how it works →Questions for your clinician
- How do my AST and ALT values compare with prior labs?