Test Details
Mnemonic
ESTFL
Ordering Code
3400086
CPT-4 Code(s)
82670, 82681
Specimen Information
Collect
Red top
Specimen Preparation
Centrifuge, remove serum from cells and send 1.0 mL serum in a screw capped plastic vial.
Minimum Volume
0.5 mL
Transport Temperature
Frozen
Rejection Criteria
Serum separator tube (SST); hemolysis; grossly icteric
Stability
Room temperature: 24 hours
Refrigerated: 7 days
Frozen: 28 days
Refrigerated: 7 days
Frozen: 28 days
Methodology
Chromatography, Mass Spectrometry, Equilibrium Dialysis
Reference Range
See report
Performing Laboratory
Quest SJC
New York DOH Approval Status
Yes