All tests · Liver Function (LFTs)
Liver Function (LFTs)
Normal range 44-147 U/L (0.73-2.45 µkat/L SI). Specimen: Serum.
Also known as: alk phos.
Combined adult band. LabVals does not publish separate men's, women's, or pediatric ranges for Alkaline Phosphatase (ALP); those can be narrower than the band shown.
| Specimen | Serum |
|---|---|
| Conventional range | 44-147 U/L |
| SI range | 0.73-2.45 µkat/L |
| Conversion factor | ×0.0167 (conventional → SI) |
| Panel | Liver Function (LFTs) |
Convert any Alkaline Phosphatase (ALP) result between units on the unit converter.
The standard teaching reference range for Alkaline Phosphatase (ALP) is 44-147 U/L in conventional units, or 0.73-2.45 µkat/L in SI units. This value is measured in serum.
Source: Adult reference values compiled from Pagana & Pagana, Mosby's Diagnostic and Laboratory Test Reference, and Fischbach & Dunning, A Manual of Laboratory and Diagnostic Tests. Reference ranges vary by laboratory, method, age, sex, and population - always use the range printed on the actual result.
Above the range
What causes a high Alkaline Phosphatase (ALP)? Read as its own page
Below the range
What causes a low Alkaline Phosphatase (ALP)? Read as its own page
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