METHYLMALONIC ACID
General Information
HLAB/HOL Code: MMAS
UPHSM LIS Test #: 028890
Schedule:
Testing Time: 3-6 Days
Testing Lab: Labcorp
UPHSM LIS Test #: 028890
Schedule:
Testing Time: 3-6 Days
Testing Lab: Labcorp
Specimen Info
Only 1 specimen type required, unless otherwise specified
Volume: 2.0 mL
Temperature: Refrigerated
Tube Type: Serum or Plasma
Collection Info:
Minimum Volume: 0.6 mL (Note: This volume does not allow for repeat testing.)
Container: Red-top tube, gel-barrier tube, or green-top (heparin) tube
Collection: Separate serum or plasma from cells within one hour of collection.
Temperature: Refrigerated
Tube Type: Serum or Plasma
Collection Info:
Minimum Volume: 0.6 mL (Note: This volume does not allow for repeat testing.)
Container: Red-top tube, gel-barrier tube, or green-top (heparin) tube
Collection: Separate serum or plasma from cells within one hour of collection.
Specimen Acceptability
Cause for Rejection:
Plasma from a light blue-top or yellow-top tube; citrate interferes with assay
Plasma from a light blue-top or yellow-top tube; citrate interferes with assay
Methods
Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
Clinical Utilities
Serum methylmalonic acid (MMA) measurement is used to evaluate individuals with signs and symptoms associated with vitamin B12 deficiency or congenital methylmalonic academia.
CPT Codes
83921
* 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.
Reference Range
See Report
