Sickle Cell Test

Hemoglobin S Test

What Affects the Test

Having a blood transfusion in the past 3 months can cause a false-negative test result because of the normal hemoglobin from the blood donor.

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Author:	Jan Nissl, RN, BS	Last Updated: March 12, 2007
Medical Review:	Adam Husney, MD - Family Medicine Donald Sproule, MD, CM, CCFP, FCFP - Family Medicine Martin Steinberg, MD - Hematology
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