GLOBULIN

What this test checks

Measures globulins, a family of proteins that includes infection-fighting antibodies. Levels can hint at chronic infection, immune disorders, or liver disease.

Why do people get this test?

Add-on to liver tests; useful when chronic infection or immune disease is suspected.

When you should consider this test

• Chronic infections or unexplained inflammation
• Liver disease work-up
• Investigating immune disorders

How to prepare

Fasting preferred.