Laboratory Medicine

Test Catalogue

Ethylene glycol
Test Name Ethylene glycol
Specimen Type / Requirements Container Type = 1 Red Top Minimum Testing Volume = 3 mL Serum Tube must fill to at least ½ or greater of its vacuum capacity
Specimen Handling Collection Instructions: Collect specimen red top vacutainer or gold top (SST with gel separator) vacutainer. When evaluating for possible toxicity, sample should be drawn 4-6 hour post-ingestion. Collect a second sample three to four hours later. Write your initials, date and time of collection on the collection label or requisition. Laboratory Staff Instructions: Separate samples from cells within 2 hours of collection. Repeated freezing and thawing of samples should be avoided. Rejection Criteria: Unlabeled or samples of non sufficient samples. Stability: Stable in tightly capped tube at ambient temperature for 2 days, refrigerated at 2-8C for 2 weeks and frozen at -20C for 1 month. Transportation: Send sample to core lab as soon as possible.
Required Documentation
Turnaround Time (TAT) 2 hour for Trauma / Stat 4 hours for routine	Test Utilization
Reference Value Therapeutic: < 1.0 mmol *Toxic > 3.2 mmol/L*
Test Code ETG	Methodology Gas Chromatrography (with FID)
Testing Location SMH-Biochemistry	Other Information Last Updated: March 03, 2021

Ethylene glycol

Test Name

Ethylene glycol

Specimen Type / Requirements

Container Type = 1 Red Top

Minimum Testing Volume = 3 mL Serum

Tube must fill to at least ½ or greater of its vacuum capacity

Specimen Handling

Collection Instructions: Collect specimen red top vacutainer or gold top (SST with gel separator) vacutainer. When evaluating for possible toxicity, sample should be drawn 4-6 hour post-ingestion. Collect a second sample three to four hours later. Write your initials, date and time of collection on the collection label or requisition.

Laboratory Staff Instructions: Separate samples from cells within 2 hours of collection. Repeated freezing and thawing of samples should be avoided.

Rejection Criteria: Unlabeled or samples of non sufficient samples.

Stability: Stable in tightly capped tube at ambient temperature for 2 days, refrigerated at 2-8C for 2 weeks and frozen at -20C for 1 month.

Transportation: Send sample to core lab as soon as possible.

Required Documentation

Turnaround Time (TAT)

2 hour for Trauma / Stat
4 hours for routine

Test Utilization

Reference Value

Therapeutic: < 1.0 mmol

Toxic > 3.2 mmol/L

Test Code

ETG

Methodology

Gas Chromatrography (with FID)

Testing Location

SMH-Biochemistry

Other Information

Last Updated: March 03, 2021