AST: units, conversion and tracking
Updated
Short answer
AST is reported in U/L and µkat/L. 1 µkat/L = 60 U/L.
Convert AST
Enter a value to see the converted result.
Converts units only and does not interpret a result. For other markers, use the full unit converter.
What is AST?
Aspartate aminotransferase is an enzyme found in the liver, muscle and other tissues.
BiomarkerHQ groups AST under Liver. On lab reports it can also appear as ast sgot, sgot, aspartate aminotransferase, aspartate transaminase and asat.
AST units and conversion
BiomarkerHQ stores each AST result in the unit printed on the report, and charts and compares results in U/L.
1 µkat/L = 60 U/L
1 U/L = 0.01667 µkat/L
| µkat/L | U/L |
|---|---|
| 0.2 µkat/L | 12 U/L |
| 0.4 µkat/L | 24 U/L |
| 0.6 µkat/L | 36 U/L |
| 0.8 µkat/L | 48 U/L |
| 1 µkat/L | 60 U/L |
| 1.5 µkat/L | 90 U/L |
| 2 µkat/L | 120 U/L |
| U/L | µkat/L |
|---|---|
| 10 U/L | 0.1667 µkat/L |
| 20 U/L | 0.3333 µkat/L |
| 30 U/L | 0.5 µkat/L |
| 40 U/L | 0.6667 µkat/L |
| 60 U/L | 1 µkat/L |
| 80 U/L | 1.333 µkat/L |
| 100 U/L | 1.667 µkat/L |
For another value, use the lab unit converter. It converts units only and does not interpret a result.
Tracking AST over time
In BiomarkerHQ, each AST result is saved with its collection date, its unit and the reference range printed on that report. The timeline charts the results across your draws against the range from each of your own reports, and any two draws can be compared side by side.
- Keep the unit printed on each report. Convert only to compare.
- Keep each report's own range with its result. See why ranges differ between labs.
- Compare the same lab and conditions where you can. See how to compare two blood tests.
Frequently asked questions
Which units do labs report AST in?
AST is reported in U/L and µkat/L. BiomarkerHQ stores each result in the unit printed on the report and uses U/L for charts and comparisons.
How do I convert AST from µkat/L to U/L?
1 µkat/L = 60 U/L. For example, 0.8 µkat/L is 48 U/L.
How do I convert AST from U/L to µkat/L?
1 U/L = 0.01667 µkat/L. For example, 40 U/L is 0.6667 µkat/L.
Does BiomarkerHQ interpret my AST result?
No. It compares a result only with the reference range printed on your own lab report, as below, within or above, and does not say what the result means. Talk to a qualified clinician about your results.
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