Test Details
Mnemonic
TMAO
Ordering Code
3400281
CPT-4 Code(s)
82542
Specimen Information
Collect
Red top
Specimen Preparation
Gently Invert tube 5 times. DO NOT SHAKE. Allow specimen to clot completely (about 30 minutes). Centrifuge for 10 minutes. Separate serum from cells and send 1.0 mL serum in a screw capped plastic vial.
Minimum Volume
0.5 mL
Transport Temperature
Refrigerate
Rejection Criteria
Hemolysis
Stability
Room temperature: 24 hours
Refrigerate: 7 days
Frozen: 3 months
Refrigerate: 7 days
Frozen: 3 months
Methodology
Liquid Chromatography - Tandem Mass Spectrometry (LC/MS/MS)
Reference Range
<6.2 uM
Performing Laboratory
Quest SJC
New York DOH Approval Status
Yes