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Methylmalonic Acidemia Cobalamin Disorders (MMA Cbl A, B)


Methylmalonic acidemia cobalamin disorders (MMA Cbl A, B) is an inherited condition in which the body is unable to break down certain fats and proteins. It is an organic acid condition because it can lead to a harmful amount of organic acids and toxins in the body. Children with MMA caused by cobalamin A or cobalamin B deficiencies have trouble producing cobalamin enzymes A and B needed for the body to break down certain foods. MMA may vary from mild to life-threatening. Early dietary and other treatments are important for infants and children with MMA.

This condition is also known as: Cbl A,B, Methylmalonic aciduria, CblA or cblB type, MMAA/MMAB, Adenosylcobalamin deficiency, Cobalamin A,B, methylmalonic academia.

To learn more about Methylmalonic acidemia Cobalamin disorders, visit Baby's First Test: Methylmalonic acidemia (cobalamin disorders) and Screening, Technology, and Research in Genetics (STAR-G): Methylmalonic acidemia. Please see Medically Prescribed Formula for information about medically prescribed formula and pharmacologic interventions for inborn errors of metabolism. Visit Board Certified Metabolic Providers (PDF: 2 pages/204KB) for a listing of medical specialists and clinic contact information.