Test Details
Mnemonic
MMA01
Ordering Code
1013000
CPT-4 Code(s)
83921
Specimen Information
Collect
Serum separator tube (SST)
Specimen Preparation
Centrifuge, separate serum from cells and send 1.0 mL serum in a screw capped plastic vial.
Alternate Specimen
Lavender EDTA, red top
Minimum Volume
0.5 mL
Transport Temperature
Frozen
Rejection Criteria
Hemolyzed or lipemic specimens
Stability
Room temperature: Unacceptable
Refrigerated: 4 days
Frozen: 14 days
Refrigerated: 4 days
Frozen: 14 days
Methodology
High Performance Liquid Chromatography/Tandem Mass Spectrometry
Reference Range
<0.4 umol/L
Performing Laboratory
Warde Medical Laboratory
New York DOH Approval Status
No