* ETHYLENE GLYCOL, SERUM, PLASMA, BLOOD OR URINE Mnemonic ETHYGLY Synonym Antifreeze - Ethylene Diol - Radiator Fluid Specimen Collection Requirements Collect Serum or Plasma, one 7 mL red, 4 mL dark green (sodium heparin), or 4 mL lavender (EDTA) top tube. SST and PST tubes are NOT recommended. Test can also be performed on whole blood or urine if necessary. Handling Allow serum to clot completely at room temperature (minimum: 30 minutes). Centrifuge and separate serum or plasma from cells ASAP. Preferred Volume 1 mL Serum, Plasma or Urine Minimum Volume 0.5 mL Serum/Plasma (1.5 mL minimum whole blood draw) Transport Ambient (20-25°C) or Refrigerated (2-8°C) Stability Ambient (20-25°C): 1 week; Refrigerated (2-8°C): 2 weeks; Frozen (at or below -20°C): 1 month Testing Information Performed 7 days/week Reported 24 hours Method Gas Chromatography Mass Spectroscopy Reference Values Reference Values Normal: None detected. Toxic Levels Toxic Concentration: >20 mg/dL Fatal Concentration: >100 mg/dL CPT Codes 80320; G0480 Last Updated: Thursday, March 14, 2019 12:50:38 PM Client Services: 503-413-1234