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

Hemolysis, lipemia, serum separator tube (SST), grossly icteric

Stability

Room temperature: 24 hours
Refrigerated: 7 days
Frozen: 28 days

Methodology

Chromatography, Mass Spectrometry, Equilibrium Dialysis
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Reference Range

See report
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Performing Laboratory

Quest SJC
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