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, Serum separator tube (SST), any tube containing gel

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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New York DOH Approval Status

No
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