Mediki
ALP blood test: what your result means
ALP is an enzyme linked to liver and bone activity. It helps evaluate bile flow and bone turnover context.
- Category
- Liver function
- Standard unit
- U/L
- Reported in
- U/L, IU/L, µkat/L, nkat/L
What does high ALP mean?
Higher values may suggest increased bile duct or bone activity. What counts as high depends on the reference range printed on your lab report, because ranges differ between laboratories.
What does low ALP mean?
Lower values may suggest low bone turnover or nutritional factors. What counts as low depends on the reference range printed on your lab report, because ranges differ between laboratories.
ALP units and conversion
Mediki shows ALP in U/L. Labs may report it in other units; Mediki converts them automatically so results from different labs line up on one chart.
IU/L is numerically the same as U/L, so no conversion is needed.
| Unit on your report | Convert to U/L | Convert back |
|---|---|---|
| µkat/L | 1 µkat/L = 60 U/L | 1 U/L = 0.01667 µkat/L |
| nkat/L | 1 nkat/L = 0.06 U/L | 1 U/L = 16.67 nkat/L |
Convert a value from your report with the blood test unit converter.
Why track ALP over time?
A single ALP result is a snapshot. Comparing it with your earlier tests shows whether a value is stable, slowly drifting, or responding to a change in treatment or lifestyle, which is often more useful than one number on its own.
Read our guide on how to read blood test results to understand reference ranges, flags and units.
Following ALP as part of a panel? See the liver function test tracker.
Track your ALP results in one chart
Upload your lab reports and Mediki plots every ALP result against its reference range. Your first 15 pages are free.
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Medical disclaimer: This page is general information, not medical advice. Reference ranges differ between laboratories, and only a doctor can interpret your results in the context of your health.