Test Directory

Test Code
ETHGB
Test Name
Ethylene Glycol
CPT Codes
82693
Expected Turnaround Time
Within 10 hours of entering Toxicology
Clinical Utility

Useful for confirming abuse and monitoring toxicity of Ethylene Glycol.

Test includes the detection, identification, and quantitation of:

  • Ethylene Glycol
  • Glycolic Acid
Specimen and Container Info

Specimen

Container

Volume

Serum

Red Top, Plain

1 mL

Plasma

Grey Top (Sodium Fluoride, Potassium Oxalate)

3 mL

Transport Instructions

Transport to the laboratory refrigerated. 

Causes for Rejection

Specimens collected in separator tubes will be rejected.   

Methodology
Gas Chromatography-Flame Ionization Detection (GC-FID)
Limitations

Analyte

Limit of Detection

Units

Ethylene Glycol

4.0

mg/dL

Glycolic Acid

4.0

mg/dL

Performing Location
Roble Road Core Laboratory
Alternate Names
  • Antifreeze
  • Glycolic Acid
Testing Schedule
STAT testing only