2 mL (1 mL min.) Serum from 1 SST. Separate serum within 1 hour of collection. Ship refrigerated or frozen.
Sample Fri by 6 pm; Report Sat
This assay is an early and sensitive indicator of Vitamin B12 (Cobalamin) deficiency. MMA is a sensitive indicator which detects early Vitamin B12 deficiency. In pediatric patients, elevated MMA values indicate a probable Methylmalonic acidemia whereas in adults, it is indicative of Cobalamin deficiency.