Feb 5, 2018




Clinical Hub,Tools & Resources,UWHC Lab Test Directory,Toxicology

Ethylene Glycol

Ethylene Glycol (HCETGL) Toxicology Lab Test

Name: Ethylene Glycol

Test Name: Ethylene Glycol

Health Link Test Code: HCETGL

LIS Test Code: ETGL

CPT Code(s): 82693

Test Component:

Ethylene glycol

Included In: Ethylene Glycol and Volatile Screen, Adult Ethylene Glycol and Volatile Screen, Pediatrics Ethylene Glycol and Volatile Screen-Chemistries provided

Methodology: Gas Chromatography

Clinical Information:

For all suspected ingestion cases and after hours testing, please order the Ethylene Glycol and Volatiles (Methanol and Isopropanol) Screen.


Volatiles and Ethylene Glycol testing is performed stat when received between the hours of: 0700-1530 weekdays and limited hours on weekends and holidays.


For more information, please see the test directory entry for Ethylene Glycol and Volatiles Screen.

Days Performed: Mon-Fri, dayshift.

In-Lab Turnaround Time: 1 day.

Stat In-Lab Turnaround Time: 2 hours.

Specimen: Blood

Collection Container: Red top

Collection Volume: 3 mL

Pediatric Collection Volume: 1 mL

Stability Ambient:

7 days

Stability Refridgerated:

14 days

Stability Frozen:

14 days

Sample Analyzed: Serum

Testing Volume: 1 mL

Pediatric Testing Volume: 0.3 mL

Specimen Processing:

Centrifuge as soon as possible. Transfer cell-free serum to plastic vial within 2 hours of collection. Refrigerate.

Specimen Transport:

Transport specimen to laboratory. Transport with coolant pack if coming from clinic location.

Unacceptable Criteria:

Do NOT draw using red cap with yellow ring (SST) top tube.


Lower limit of detection is 2.0 mg/dL. After ingestion of ethylene glycol, the level may reach 500.0 mg/dL.


Interpretation Type: Interpretive Guidelines

Critical Calls: yes

Additional Information:

All results will be called. The half-life of ethylene glycol is 3-6 hours. A lethal dose of ethylene glycol is 1-2 mg/kg body weight. Propylene glycol can also be detected by this method.


This test was developed and its performance characteristics determined by the UWHC Clinical Laboratories.  This test meets the standards for clinical testing.  This test should not be regarded as investigational or for research use.  The US Food and Drug Administration (FDA) has not approved or cleared this test; however, the FDA has determined that such clearance or approval is not necessary.