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Test Code MMAP Methylmalonic Acid, Quantitative, Plasma

Reporting Name

Methylmalonic Acid, QN, P

Useful For

Evaluating children with signs and symptoms of methylmalonic acidemia

 

Evaluating individuals with signs and symptoms associated with a variety of causes of cobalamin (vitamin B12) deficiency

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Plasma


Specimen Required


Container/Tube:

Preferred: Green top (sodium heparin)

Acceptable: EDTA

Specimen Volume: 1.5 mL


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

Reference Values

≤0.40 nmol/mL

Day(s) and Time(s) Performed

Monday, Thursday; Continuously until 12 p.m.

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. 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

Method Name

Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)

Forms

If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:

-Benign Hematology Test Request (T755)

-Inborn Errors of Metabolism Test Request (T798)