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Quantitative Immunoglobulins

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Also known as: Total Immunoglobulins; Immunoglobulin A; IgA; Immunoglobulin G; IgG; Immunoglobulin M; IgM
Formal name: Immunoglobulins, Quantitative

At a Glance

Why Get Tested?

To help evaluate a person's immune system status; to detect and monitor an excess or deficiency in one or more of the immunoglobulin classes (IgG, IgA, and IgM)

When to Get Tested?

When you have recurrent infections and/or chronic diarrhea; when your health practitioner suspects an immunoglobulin deficiency; periodically to monitor a condition that affects immunoglobulin levels that may be genetic or acquired (HIV/AIDS, multiple myeloma)

Sample Required?

A blood sample drawn from a vein in your arm; sometimes a cerebrospinal fluid (CSF) or saliva sample

Test Preparation Needed?

None