Toxic Alcohols & Ethylene Glycol
Lab test instructions for Toxic Alcohols & Ethylene Glycol
Diseases
Toxic alcohol poisoning
Agents
- acetone
- isopropanol (2-propanol, isopropyl alcohol, rubbing alcohol)
- methanol (methyl alcohol, wood alcohol)
- ethanol (ethyl alcohol)
- ethylene glycol (1,2-ethane diol, antifreeze)
Test Method
Gas Chromatography/Mass Spectrometry (GC/MS)
- This is a two-step panel
- Simple alcohols are completed first, followed by a separate glycol analysis
- All compounds are tested during initial case evaluation
- If follow-up testing is requested, only compounds previously reported as positive are tested.
Availability
Test is performed to support hospital emergency department determinations of Toxic Alcohol/Ethylene Glycol exposure. This test is not for routine evaluation of ethanol or acetone.
Contact the Emergency Chemistry Lab Team 7 days a week between 6:00 AM and 10:00 PM for testing.
Specimen type
Whole Blood
Specimen collection instructions
- Preferred Volume: 4 mL Whole Blood
- Minimum volume: 2 mL Whole Blood
- Preferred Tube: One 4 mL Gray top w/anticoagulant (Potassium Oxalate/Sodium Fluoride or Na2EDTA/Sodium Fluoride)
- Alternate Tube: Lavender (K2EDTA)
- Serum Separator Tubes are not acceptable
Storage and transport
- Store refrigerated
- Ship with cool packs if transport will take longer than 12 hours to be received by the laboratory. Otherwise, ship at ambient temperature
Ship to: Anchorage Public Health Laboratory, ATTN: Chemistry
Results
Analytes are reported individually and include:
- Acetone
- Ethanol
- Ethylene Glycol
- Isopropanol
- Methanol
If positive
- A quantitative concentration will be reported.
- Critical values are provided with report.
- Results are called in and faxed.
- The Alaska Poison Control Center is notified of positive results and can provide follow-up toxicology assistance.
A normal result is not detected.
Interpretation and Reference Ranges
Compound: Acetone
- Toxic concentration is >20 mg/dL
Compound: Ethanol
- Toxic concentration is >80 mg/dL
- Lethel concentration is >350 mg/dL
Compound: Ethylene Glycol
- Toxic concentration is >20 mg/dL
- Lethel concentration is 200-400 mg/dL
Compound: Isopropanol
- Toxic concentration is 40 mg/dL
- Lethel concentration is >150 mg/dL
Compound: Methanol
- Toxic concentration is 20 mg/dL
- Lethel concentration is >89 mg/dL
Turnaround time
2-3 hours from receipt of the sample