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
Refrigerated: 7 days
Frozen: Unacceptable
Methodology
Gas Chromatography/Flame Ionization Detection
Reference Range
Critical >20 mg/dL
Decision Level 5 mg/dL
Decision Level 5 mg/dL
Performing Laboratory
Warde Medical Laboratory