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HelpTest Code CHEM47 Ethylene Glycol, Blood, Screen with Reflex to Confirmation
Clinical Information
This order is intended to screen for the presence of ethylene glycol in serum. Presumptive positive screen results will reflex to confirmation testing by gas chromatography flame ionization detection.
Synonym
- EGU
- Antifreeze
Specimen Required
Preferred Container/Tube: Red Top
Acceptable Container/Tube: Red Top
Specimen Volume: 2 mL
Specimen Minimum Volume: 1 mL
Specimen Stability Information
Ambient:
Capped: 24 hours
Uncapped: 12 hours
Refrigerated: 5 days
Frozen: 5 days
Specimen Collection Information
Serum specimens should be collected in red top tube. Separate serum immediately from the cells and analyze promptly. URL clients: after cell separation, serum samples should be poured off into a labeled tube and transported to lab within 24 hours at ambient temperature. If samples are not shipped same day as collection, store and ship serum refrigerated.
Rejected Due To
- Lithium heparin or EDTA blood
- Sampled collected on gel (i.e. plasma separator tube, serum separator tube)
Testing Algorithm
Presumptive positive samples by enzymatic screen with reflex to quantitative confirmation by GC-FID at additional cost.
Reflex Test
| Reporting Name | Available Separately | Always Reported |
|---|---|---|
| Ethylene Glycol Quant | No | No |
Reference Values
None Detected
Cutoff concentrations by gas chromatography:
10 mg/dL
Method Description
Screen: Beckman Coulter DxC700AU: Catachem DiscretPak Ethylene Glycol Reagent Kit
Confirmation: Gas Chromatography Flame Ionization Detection (GC-FID)
Test Classification
This Gas Chromatography (GC) test was developed and its performance characteristics determined by the Toxicology Laboratory at The Ohio State University Wexner Medical Center, it has not been cleared or approved by the FDA. The laboratory is regulated under CLIA as qualified to perform high complexity testing. This test is used for clinical purposes and should not be regarded as investigational or for research.
This test was developed and its performance characteristics determined by the Laboratories at The Ohio State University Wexner Medical Center. It has not been cleared or approved by the FDA. The laboratory is regulated under CLIA as qualified to perform high-complexity testing. This test is used for clinical purposes. It should not be regarded as investigational or for research.
Performing Lab
Clinical Lab James: Screen
Clinical Lab UH: Confirmation
Day(s) Performed
Monday through Saturday
Report Available
1 to 2 days
Reporting Name
Ethylene Glycol, Blood Screen
CPT Code Information
82693
LOINC Code Information
23713-1