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Vanderbilt Pathology Laboratory Services

Test Directory



ETHYLENE GLYCOL (EG)

Department: Toxicology
Test Synonym(s): EG, Antifreeze
CPT Codes: 82693
Methodology: GC/FID
Reference Range: None detected (< 5 mg d/L)
Tube Type: Dark green top (Sodium Heparin)
Specimen: Blood
Alternate Specimen: Grey top (Sodium Fluoride) or red top (no gel)
Pediatric Requirements: 1 dark green microtainer
Volume: 5 mL blood
Minimum Volume: 0.5 mL serum or plasma
Temperature: Refrigerated if not delivered to the lab immediately
Stability: Refrigerated: 7 days
Reasons for Rejection: Improper collection
Days Performed: Daily
Times Performed: Continuous
TAT: 1-2 hours if qualitative, 2-4 hours if quantitative
Special Instructions: Notify lab immediately: date and time of collection.

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