A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

Methylmalonic Acid, QN, Urine

Test Code
UMMA


Alias/See Also
MMA, Urine


Preferred Specimen
4 mL urine from second void specimen after an over night fast


Minimum Volume
1.5 mL


Instructions
Collect second void specimen post an over night fast


Transport Container
Plastic vial


Transport Temperature
Ambient


Specimen Stability
Ambient 7 days


Report Available
3-7 days


Reference Range
<3.60 mmol/mol creatinine


Clinical Significance
The concentration of urine methylmalonic acid (MMA) is elevated primarily in patients affected with methylmalonic acidemia and patients with a nutritional deficiency of cobalamin (vitamin B12) or folic acid.




The CPT Codes provided in this document 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 payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.