Beta Hexosaminidase

Also known as: lysosomal for Tay Sachs, hexosaminidase A, total leukocytes/molecular reflex.

What is a beta hexosaminidase test?

A beta hexosaminidase test is a blood test performed in children to diagnose an inherited disorder known as Tay-Sachs disease. Tay-Sachs disease is related to a deficiency of the beta-hexosaminidase enzyme.

What happens during the procedure?

A routine blood draw is required in order to perform the beta hexosaminidase test. The blood sample is then taken to a laboratory for testing and analysis.


Is any special preparation needed?

In most cases, no special preparation is needed for the test.

What are the risk factors?

Infection, bleeding and damage to surrounding organs and tissues are potential risks of the test.

Reviewed by: Paul Cardenas, MD

This page was last updated on: March 26, 2019 12:26 PM