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Methylmalonic Acid

Test Code

34879

CPT Code(s)

83921

Preferred Specimen(s)

2 mL serum

Minimum Volume

1 mL

Alternative Specimen(s)

No additive (dark blue-top) tube • Plasma collected in: Sodium heparin (green-top) tube

Specimen Container

Plastic screw-cap vial

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 4 days
Refrigerated: 7 days
Frozen: 10 months

Methodology

Mass Spectrometry (MS)

Performing Laboratory

Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153

Setup Schedule

Set up: Mon-Sat a.m.; Report available: 2 days

Reference Range(s)

87-318 nmol/L

Clinical Significance

Test is useful in the determination of certain genetic disorders and Vitamin B12 deficiency.

Alternative Name(s)

MMA

LOINC®' Code(s)

The Result and LOINC information listed below should not be used for electronic interface maintenance with Quest Diagnostics. Please contact the Quest Diagnostics Connectivity Help Desk for more information at 800-697-9302.

NOTE: The codes listed in the table below are not orderable Test Codes.

Result
Code
Result NameLOINC CodeComponent Name
3493AMethylmalonic Acid13964-2Methylmalonate

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

LOINC assignment is based on a combination of test attributes, including the method used by the performing laboratory. For tests not performed by Quest Diagnostics, codes are assigned by the performing laboratory.

* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.