Test Code MMAP Methylmalonic Acid, Quantitative, Plasma
Reporting Name
Methylmalonic Acid, QN, PUseful For
Evaluating children with signs and symptoms of methylmalonic acidemia using plasma specimens
Evaluating individuals with signs and symptoms associated with a variety of causes of vitamin B12 (cobalamin) deficiency
Performing Laboratory
Mayo Clinic Laboratories in RochesterSpecimen Type
PlasmaSpecimen Required
Collection Container/Tube:
Preferred: Green top (sodium heparin)
Acceptable: Lavender top (EDTA)
Submission Container/Tube: Plastic vial
Specimen Volume: 1.5 mL
Collection Instructions: Centrifuge and aliquot plasma into a plastic vial.
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Plasma | Refrigerated (preferred) | 48 days | |
Ambient | 48 days | ||
Frozen | 48 days |
Reject Due To
Gross hemolysis | OK |
Gross lipemia | OK |
Gross icterus | OK |
Reference Values
≤0.40 nmol/mL
Day(s) Performed
Monday through Friday
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
83921
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
MMAP | Methylmalonic Acid, QN, P | 13964-2 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
31927 | Methylmalonic Acid, QN, P | 13964-2 |
Report Available
3 to 5 daysForms
If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:
-Benign Hematology Test Request (T755)