Test Code ETGSR Ethyl Glucuronide Screen with Reflex, Random, Urine
Specimen Required
Only orderable as part of profile. For more information see CSMEU / Controlled Substance Monitoring Enhanced Profile with Reflex, 21 Drug Classes, High Resolution Mass Spectrometry and Immunoassay Screen, Random, Urine.
Container/Tube: Plastic, 60-mL urine bottle
Specimen Volume: 5 mL
Collection Instructions:
1. Collect a random urine specimen.
2. No preservative.
Useful For
Screening for drug abuse involving alcohol
Reflex Tests
Test ID | Reporting Name | Available Separately | Always Performed |
---|---|---|---|
ETGC | Ethyl Glucuronide Confirmation, U | Yes | No |
Testing Algorithm
Testing begins with a screening assay. If the screen is positive, then the liquid chromatography tandem mass spectrometry confirmation with quantification will be performed at an additional charge.
Method Name
Only orderable as part of profile. For more information see CSMEU / Controlled Substance Monitoring Enhanced Profile with Reflex, 21 Drug Classes, High Resolution Mass Spectrometry and Immunoassay Screen, Random, Urine.
Immunoassay
Reporting Name
Ethyl Glucuronide Scrn w/Reflex, USpecimen Type
UrineSpecimen Minimum Volume
2.5 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Urine | Refrigerated (preferred) | 28 days | |
Ambient | 28 days | ||
Frozen | 28 days |
Reference Values
Only orderable as part of profile. For more information see CSMEU / Controlled Substance Monitoring Enhanced Profile with Reflex, 21 Drug Classes, High Resolution Mass Spectrometry and Immunoassay Screen, Random, Urine.
Negative
Screening cutoff concentration:
Ethyl glucuronide: 500 ng/mL
Day(s) Performed
Monday through Saturday
Report Available
Same/1 to 2 daysPerforming Laboratory

Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
80307
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
ETGSR | Ethyl Glucuronide Scrn w/Reflex, U | 58375-7 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
616033 | Ethyl Glucuronide Screen, U | 58375-7 |