Test Details

Mnemonic

SEYGC

Ordering Code

1754990

CPT-4 Code(s)

82693

Specimen Information

Collect

Green sodium or lithium heparin

Specimen Preparation

Centrifuge and separate plasma from cells within 2 hours. Send 2.5 mL plasma refrigerated in a screw capped plastic vial.

Alternate Specimen

Gray sodium fluoride, red top

Minimum Volume

2.0 mL

Transport Temperature

Refrigerated

Rejection Criteria

Whole blood

Stability

Room temperature: 48 hours
Refrigerated: 7 days
Frozen: Unacceptable

Methodology

Gas Chromatography/Flame Ionization Detection
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Reference Range

Critical >20 mg/dL
Decision Level 5 mg/dL
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Performing Laboratory

Warde Medical Laboratory
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