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Test Code MISCLM Methylmalonic Acid (MMA), Quantitative, Plasma

Additional Codes

 

MAYO Test ID

MMAP

EPIC Test ID

LAB2608

 

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

Method Name

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

Performing Laboratory

Mayo Medical 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
Plasma Refrigerated (preferred) 48 days
  Ambient  48 days
  Frozen  48 days

Reject Due To

Hemolysis

Mild OK; Gross OK

Lipemia

Mild OK; Gross OK

Icterus

Mild OK; Gross OK

Other

NA

Reference Values

≤0.40 nmol/mL

Day(s) and Time(s) Performed

Monday through Friday; Continuously until 12 p.m.

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

Analytic Time

3 days (not reported on Saturday or Sunday)

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.

Forms

If not ordering electronically, complete, print, and send a Benign Hematology Test Request Form (T755) with the specimen (http://www.mayomedicallaboratories.com/it-mmfiles/benign-hematology-test-request-form.pdf)