Unit Per Gram (U/g) of Hemoglobin in a Galactosemia Test

The amount of galactose-1-phosphate uridyltransferase (GALT) in a blood sample can be measured in units per grams (U/g) of hemoglobin.

  • A unit is an arbitrary amount agreed upon by scientists and doctors. A gram is an amount equivalent to 1/28 ounce.
  • Hemoglobin is the substance in red blood cells that carries oxygen.

Current as of: October 13, 2016

Author: Healthwise Staff

Medical Review: Adam Husney, MD - Family Medicine & Kathleen Romito, MD - Family Medicine & Martin J. Gabica, MD - Family Medicine & Siobhan M. Dolan, MD, MPH - Reproductive Genetics