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ALP (Alkaline Phosphatase)

A liver and bone enzyme. Elevated levels indicate liver disease or bone disorders.

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What is ALP?

Alkaline phosphatase (ALP) is an enzyme found primarily in the liver and bones. Elevated ALP can indicate liver disease, bile duct obstruction, or bone disorders.

Normal Ranges

GroupALP Level
Adults30–120 U/L

Why It Matters

ALP helps distinguish between different types of liver disease and can detect bone problems like Paget's disease.

What Causes High ALP

  • Bile duct obstruction
  • Liver disease
  • Bone disorders
  • Pregnancy (placenta produces ALP)

Related Biomarkers

ALP (Alkaline Phosphatase) | Vidanis