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Blood test
Blood test


Ammonium ion

Alternative Names:
NH4+ test

Normal Values:

The normal range is 15 - 45 mcg/dL (mcg/dL = micrograms per deciliter). Normal value ranges may vary slightly among different laboratories.



What abnormal results mean:

Conditions that can increase ammonia levels include:




Review Date: 1/24/2005
Reviewed By: Thomas A. Owens, M.D., Departments of Internal Medicine and Pediatrics, Duke University Medical Center, Durham, NC. Review provided by VeriMed Healthcare Network.

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