Acid Phosphatase

How to Cite This Chapter: Don-Wauchope A, Chetty VT, Ivica J, Kavsak P, Khan WI, Lafreniere M, Nouri K, Solnica B. Acid Phosphatase. McMaster Textbook of Internal Medicine. Kraków: Medycyna Praktyczna. Accessed May 26, 2024.
Last Updated: May 9, 2022
Last Reviewed: May 9, 2022
Chapter Information

For a brief introduction and guide to abbreviations, see Laboratory Tests: General Remarks.

Analyte [material]

Acid phosphatase [S/P]

Reference range, target level, or decision threshold

Men: <6.5 IU/L!!!

Women: <5.5 IU/L!!!

Interpretation of results

↑ Bone diseases: Osteolytic lesions, inflammation, prostate cancer

This marker is no longer available from many laboratories in Canada, as it is considered obsolete for many of the original indications. In the United States, it is available as total or prostatic acid phosphatase. There is also a tartrate-resistance acid phosphatase (TRAP) test, performed in osteoporosis and other conditions where bone resorption is important.

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