Cold Agglutinins

What Affects the Test

Reasons you may not be able to have the test or why the results may not be helpful include:

• Taking antibiotics, especially penicillin and cephalosporins.
• Having certain conditions that can give false-positive results. These include measles, pneumonia, infectious mononucleosis, malaria, peripheral arterial disease, congenital syphilis, cirrhosis, anemia, multiple myeloma, chickenpox, and some tropical diseases.

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Author:	Maria G. Essig, MS, ELS	Last Updated: June 12, 2008
Medical Review:	Anne C. Poinier, MD - Internal Medicine W. David Colby IV, MSc, MD, FRCPC - Infectious Disease
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