Tags: Disease.
Galactose-1-phosphate uridylyltransferase deficiency also called galactosemia type 1 classic galactosemia or GALT deficiency is the most common type of galactosemia an inborn error of galactose metabolism caused by a deficiency of the enzyme galactose-1-phosphate uridylyltransferase. It is an autosomal recessive metabolic disorder that can cause liver disease and death if untreated.