IMMUNOGLOBULIN IGM

What this test checks

IgM antibodies are produced first when you catch an infection. High IgM can mean recent or current infection; low levels suggest immune deficiency.

Why do people get this test?

Used in immune evaluations and to confirm recent infections.

When you should consider this test

• Suspected recent infection
• Immune deficiency work-up
• Chronic illness investigation

How to prepare

No fasting needed.