C C84615 Carbohydrate-Deficient Glycoprotein Syndrome Carbohydrate-Deficient Glycoprotein Syndrome An genetically heterogeneous group of autosomal recessive disorders of carbohydrate metabolism characterized by psychomotor retardation, growth retardation, ataxia, seizures, hepatomegaly with steatosis and hypothyroidism. C3101 Genetic Disorder C99147 Neonatal Research Network Terminology