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
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