Ammonia is a waste product that the body produces. A serum ammonia test measures the amount of ammonia in the blood.

Serum Ammonia Overview

This link provides a good overview of ammonia, why the serum ammonia test is performed, and how it is done.

Click here for more information on normal serum ammonia values and what abnormal results may indicate.

Serum ammonia is tested as part of a routine liver panel, which also includes:

• ALP
• AST
• ALT (To learn more about how ALT and AST results should be interpreted together, click here.)
• Serum Albumin
• Serum Globulin
• Prothrombin Time
• Serum Bilirubin

Possible causes include:

• Liver disease
• Cirrhosis