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HelpOrder Code LABGOR, ETGL Ethylene Glycol, Serum
Additional Codes
Mayo Test Code: ETGL
Reporting Name
Ethylene Glycol, SUseful For
Confirming and monitoring ethylene glycol toxicity
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
Serum RedSpecimen Required
Supplies: Sarstedt Aliquot Tube 5 mL (T914)
Collection Container/Tube: Red top (serum gel/SST tubes are not acceptable)
Submission Container/Tube: Plastic vial
Specimen Volume: 2 mL
Collection Instructions: Centrifuge and aliquot serum into plastic vial within 2 hours of collection.
Specimen Minimum Volume
0.3 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum Red | Refrigerated (preferred) | 14 days |
| Ambient | 14 days | |
| Frozen | 14 days |
Reference Values
Toxic concentration: ≥20 mg/dL
Day(s) Performed
Monday through Sunday
CPT Code Information
G0480
80320 (if appropriate for select payers)
Method Description
Ethylene glycol is quantitated in serum by precipitating serum protein with methanol. The supernatant is analyzed by gas chromatography with flame ionization detection.(Unpublished Mayo method)
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
| Gross icterus | Reject |
Method Name
Gas Chromatography-Flame Ionization Detection (GC-FID)
Forms
If not ordering electronically, complete, print, and send a Therapeutics Test Request (T831) with the specimen.