abnormal circulating glutamate dehydrogenase level increased circulating glutamate dehydrogenase level 2011-03-31T03:34:09Z MP:0011009 MPheno.ontology csmith increased circulating L-glutamate dehydrogenase level increased circulating glutamic acid dehydrogenase level increased concentration in the blood of the enzymes which catalyze the reaction of L-glutamate, water and NAD+, producing alpha-ketoglutarate, ammonia, and NADH