ALP

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Alkaline phosphatase

The normal range is 44 to 147 IU/L (international units per liter).

Normal values may vary slightly from laboratory to laboratory. They also can vary with age and gender.

Higher-than-normal ALP levels may indicate:

• anemia
• biliary obstruction
• bone disease
• healing fracture
• hepatitis
• hyperparathyroidism
• leukemia
• liver diseases
• osteoblastic bone cancers
• osteomalacia
• Paget's disease
• rickets

• malnutrition
• protein deficiency

• alcoholic liver disease (hepatitis/cirrhosis)
• alcoholism
• biliary stricture
• giant cell (temporal, cranial) arteritis
• multiple endocrine neoplasia (MEN) II
• renal cell carcinoma

Review Date: 06/01/2005
Reviewed By: Aniket R. Sidhaye, M.D., Division of Endocrinology and Metabolism, Johns Hopkins University School of Medicine, Baltimore, MD. Review provided by VeriMed Healthcare Network.