All lab markers

Liver

Alk Phos

Alk Phos is tracked as part of liver. Higher results are the ones to watch. A common adult reference interval is 39–120 U/L.

Typical adult range

Reference interval
39–120 U/L
Often-cited tighter window
45–95 U/L

Standard adult laboratory reference interval. Your own lab's printed range is the one that applies to your result.

These are commonly described physiological relationships, shared for education. They are not a diagnosis and cannot account for your medications, history, or symptoms — discuss your results with a licensed clinician.

Watching Alk Phos over time?

Dose Compass charts each draw, flags meaningful moves, and helps you prepare questions for your clinician.

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