Enzyme found in liver (biliary canaliculi), bone osteoblasts, intestine, and placenta. Elevation may indicate cholestatic liver disease or bone disease.
| Sex | Age | Range | Notes |
|---|---|---|---|
| All | ≥ 18 yrs | 30 – 130 | Adult; higher in growing children and pregnancy (placental isoenzyme) |
⚠ Clinical Note
Reference ranges are indicative. Always interpret results in the context of the individual patient and local laboratory reference intervals, which may vary.