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HelpTest Code ETGL Ethylene Glycol, Serum
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Reporting Name
Ethylene Glycol, SSpecimen 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.
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
| Gross icterus | Reject |
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum Red | Refrigerated (preferred) | 14 days |
| Ambient | 14 days | |
| Frozen | 14 days |
Specimen Minimum Volume
0.3 mL
Day(s) Performed
Monday through Sunday
Specimen Retention Time
2 weeksReport Available
2 daysReference Values
Toxic concentration: ≥20 mg/dL
Useful For
Confirming and monitoring ethylene glycol toxicity
CPT Code Information
G0480
80320 (if appropriate for select payers)
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| ETGL | Ethylene Glycol, S | 5646-5 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 8749 | Ethylene Glycol, S | 5646-5 |
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 The supernatant is analyzed by gas chromatography with flame ionization detection.(Unpublished Mayo method)
Forms
If not ordering electronically, complete, print, and send a Therapeutics Test Request (T831) with the specimen.