IMMUNOGLOBULIN IGG

What this test checks

IgG antibodies provide long-term immunity after infection or vaccination. Levels are useful in evaluating immune deficiency, chronic infections, and certain immune diseases.

Why do people get this test?

Used in immune work-ups for recurrent infections and chronic illnesses.

When you should consider this test

• Frequent infections
• Investigating immune deficiency
• Chronic disease follow-up

How to prepare

No fasting needed.