Tay-Sachs Test

Serum Hexosaminidase A and B

How It Feels

The blood sample is taken from a vein in your arm. An elastic band is wrapped around your upper arm. It may feel tight. You may feel nothing at all from the needle, or you may feel a quick sting or pinch.

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Author:	Debby Golonka, MPH	Last Updated: March 31, 2008
Medical Review:	Michael J. Sexton, MD - Pediatrics Siobhan M. Dolan, MD, MPH - Reproductive Genetics
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