disease has basis in dysfunction of MMAA vitamin B12-responsive methylmalonic acidemia type cblA An autosomal recessive form of methylmalonic aciduria, caused by mutation(s) in the MMAA gene, encoding MMAA protein. DOID:0060742 GARD:0005500 ICD10:E71.1 MMA Cbl A type MONDO:0009613 NCIT:C142171 OMIM:251100 Orphanet:79310 SCTID:73843004 SCTID:82245003 UMLS:C0342721 UMLS:C0342722 UMLS:C1855109 cblA - cobalamin locus a cblA methylmalonic acidemia cblB - cobalamin locus b cblB methylmalonic acidemia cobalamin a disease cobalamin b disease cobalamin locus a variant cobalamin locus b variant methylmalonic acidemia cblA type methylmalonic acidemia, cblA type methylmalonic aciduria cblA type methylmalonic aciduria, cblA type methylmalonic aciduria, vitamin B12-responsive due to a defect in synthesis of adenosylcobalamin cb1A type methylmalonic aciduria, vitamin B12-responsive due to a defect in synthesis of adenosylcobalamin cblA type methylmalonic aciduria, vitamin B12-responsive, due to defect in synthesis of adenosylcobalamin, cblA complementation type methylmalonic aciduria, vitamin B12-responsive, due to defect in synthesis of adenosylcobalamin, cblA type vitamin B12-responsive methylmalonic acidemia type cblA vitamin B12-responsive methylmalonic aciduria type cblA vitamin B12-responsive methylmalonic acidemia