Serum Phosphorus: Results and Values (Phosphorus, PO4)

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Serum Phosphorus

Alternate Names : Phosphorus, PO4

Serum Phosphorus | Preparation & Expectations | Results and Values

What do the test results mean?

The normal range for phosphorus in the blood depends on the age and gender of the person. The normal range is between 2.3 and 4.5 mg/dL (milligrams per deciliter).

Decreased phosphorus in the blood could be a result of:

Alcohol withdrawal

Kidney disease

Thyroid disease

Certain diuretics or water pills

Nutrition problems

High levels of phosphorus in the blood could be a result of:

Kidney failure

Severe injury to the muscle

Certain antacids

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Serum Phosphorus: Preparation & Expectations

Author: Melinda Ratini, DO, MS
Reviewer: Kathleen A. MacNaughton, RN, BSN
Date Reviewed: 06/18/02

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