10 ml (5 ml min.) aliquot of first morning urine in a sterile screw capped container. Do not use any preservatives. Ship refrigerated or frozen. Provide a brief clinical and drug history.
LC-MS MS
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.
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Submit first morning urine sample. Provide a brief clinical and drug history.