Methylmalonic Acid (MMA)


Sunquest Code:MEMAC  
Epic Code:LAB835Epic Name:METHYLMALONIC ACID
Methodology:Liquid chromatography/Tandem mass spectrometry
CPT Code:83921
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported within 1-3 days.
Compliance:

This test was developed and its performance characteristics determined by ARUP Laboratories. The U.S. Food and Drug Administration has not approved or cleared this test; however FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.



Collection Instructions

Specimen:Blood
Optimal Volume:2.4 mL
Minimum\Peds Volume:1.4 mL
Container:Red or gold (gel) (Green (sodium heparin, no gel), Purple (EDTA), Red (no gel))
Causes for Rejection:Grossly hemolyzed or lipemic specimens.


Processing and Shipping

Specimen Processing:Centrifuge and aliquot within 2 hours of collection 1.2 mL, 0.6 mL minimum. Samples are stable up to 4 days refrigerated or 1 month frozen.
Shipping Instructions:Ship on dry ice.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:99431 (MMA QNT-P)


Interpretive

Reference Range:

0.4 umol/L or less

 



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