Alkaline Phosphatase
Alkaline phosphatase is an enzyme of the liver, bile ducts and bone. It is higher in children because of bone growth.
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Normal ranges
Adults: 30–150 U/L. Children 1–18: up to 500 U/L.
Units: U/L
Causes of deviations
Low levels:
Zinc or magnesium deficiency, rare inherited conditions.
High levels:
Liver and bile duct disease, bone disease, normal bone growth in children.
When to see a doctor
If the value is outside the range, discuss it with your doctor.
Related biomarkers
Panels
Liver panel
Conditions
Liver disease
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