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Test ID MMAS Methylmalonic Acid, Quantitative, Serum

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

Method Name

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

Reporting Name

Methylmalonic Acid, QN, S

Specimen Type

Serum


Specimen Required


Container/Tube:

Preferred: Red top

Acceptable: Serum gel

Specimen Volume: 1.5 mL


Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 48 days
  Ambient  48 days
  Frozen  48 days

Reference Values

≤0.40 nmol/mL

Day(s) Performed

Monday through Friday

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

83921

LOINC Code Information

Test ID Test Order Name Order LOINC Value
MMAS Methylmalonic Acid, QN, S 13964-2

 

Result ID Test Result Name Result LOINC Value
80289 Methylmalonic Acid, QN, S 13964-2

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.

Report Available

3 to 5 days

NY State Approved

Yes

Forms

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

-General Request (T239)

-Benign Hematology Test Request (T755)

-Inborn Errors of Metabolism Test Request (T798)