Test Details

Mnemonic

LEVET

Ordering Code

1751330

CPT-4 Code(s)

80177

Specimen Information

Collect

Red top

Specimen Preparation

Centrifuge, separate serum from cells and send 1.0 mL serum in a screw capped plastic vial.

Alternate Specimen

Plasma: Lavender EDTA, green sodium or lithium heparin

Minimum Volume

0.2 mL

Transport Temperature

Refrigerated

Rejection Criteria

Serum separator tube (SST)

Stability

Room temperature: 48 hours
Refrigerated: 14 days
Frozen: 14 days

Methodology

High Performance Liquid Chromatography/Tandem Mass Spectrometry
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Reference Range

3.0 - 60.0 mcg/mL
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Performing Laboratory

Warde Medical Laboratory
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