Galactose-1-phosphate uridyltransferase

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Galactosemia screen; GALT; Gal-1-PUT

The normal range is 18.5 to 28.5 U/g Hb (units per gram of hemoglobin).

It is important to note that normal values vary from laboratory to laboratory.

• Galactosemia is indicated by a significantly reduced level of activity.
• Further tests should be done to confirm the diagnosis of galactosemia.
• A specialist in biochemical genetics should be consulted promptly.
• The child should immediately be placed on a no-milk diet (no breast milk, no animal milk).

Review Date: 04/20/2005
Reviewed By: Neal Sondheimer, M.D., PhD., Division of Genetics and Metabolism, Children's Hospital of Philadelphia, Philadelphia, PA. Review provided by VeriMed Healthcare Network.