Globulin is a protein, and the amount of globulin in the blood is measured by a blood test.

Serum Globulin Overview

A serum globulin test is often performed with a serum albumin test, and together they are called a total protein test. This resource refers to both together, but has good information on serum globulin, including why and how the test is performed.

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

Serum globulin 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
• Prothrombin Time
• Serum Ammonia
• Serum Bilirubin

Possible causes include:

• Liver disease
• Cirrhosis