label: vitamin B12-unresponsive methylmalonic acidemia type mut-
label_lc: vitamin b12-unresponsive methylmalonic acidemia type mut-
description: "Vitamin B12-unresponsive methylmalonic acidemia type mut- is an inborn error of metabolism characterized by recurrent ketoacidotic comas or transient vomiting, dehydration, hypotonia and intellectual deficit, which does not respond to administration of vitamin B12."