label: BCKDHB (branched-chain keto acid dehydrogenase E1, beta polypeptide) (eg, Maple syrup urine disease) gene analysis, common variants (eg, R183P, G278S, E422X)
label_lc: bckdhb (branched-chain keto acid dehydrogenase e1, beta polypeptide) (eg, maple syrup urine disease) gene analysis, common variants (eg, r183p, g278s, e422x)