Test Details
Mnemonic
CARFT
Ordering Code
3607300
CPT-4 Code(s)
82379
Specimen Information
Collect
Green sodium heparin or lithium
Specimen Preparation
Centrifuge, separate plasma within 2 hours and send 0.5 mL plasma frozen within 2 hours in a screw capped plastic vial. CRITICAL FROZEN.
Alternate Specimen
Serum: Red top
Minimum Volume
0.2 mL
Transport Temperature
Critical frozen
Rejection Criteria
Sample not frozen within 12 hours
Stability
Room temperature: Unacceptable
Refrigerated: 12 hours
Frozen: 30 days
Refrigerated: 12 hours
Frozen: 30 days
Methodology
Tandem Mass Spectrometry
Reference Range
See report
Performing Laboratory
ARUP Reference Laboratory
New York DOH Approval Status
Yes