Test Code ETGRM Ethyl Glucuronide Screen with Reflex, Random, Urine
Additional Codes
| Mayo | ETGR |
| Epic ID | LAB5343 |
Specimen Type
UrineOrdering Guidance
For situations where chain of custody is required, a Chain of Custody Kit (T282) is available. For chain-of-custody testing, order ETGX / Ethyl Glucuronide Confirmation, Chain of Custody, Random, Urine.
Additional Testing Requirements
If urine creatinine is required or adulteration of the specimen is suspected, the following test should also be ordered, ADULT / Adulterants Survey, Random, Urine.
Specimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube: Plastic urine container
Submission Container/Tube: Plastic, 5 mL tube
Specimen Volume: 5 mL
Collection Instructions:
1. Collect a random urine specimen.
2. No preservative.
Specimen Minimum Volume
2.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Urine | Refrigerated (preferred) | 28 days |
| Ambient | 28 days | |
| Frozen | 28 days |
Transport refrigerated.
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Performing Laboratory
Mayo Clinic Laboratories in Rochester
Method Name
Immunoassay
Profile Information
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| ETGS | Ethyl Glucuronide Screen, U | Yes | Yes |
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.
Reflex Tests
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| ETGC | Ethyl Glucuronide Confirmation, U | Yes | No |
Useful For
Screening and confirmation for drug abuse involving alcohol
Day(s) Performed
Monday through Saturday
Report Available
Same day/1 to 2 daysReference Values
Negative
Screening cutoff concentration: 500 ng/mL
CPT Code Information
80307