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Test Code UETGR Ethyl Glucuronide Screen with Reflex, Random, Urine

Reporting Name

Ethyl Glucuronide Scrn w/Reflex, U

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Useful For

Screening and confirmation for drug abuse involving alcohol


Ordering 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

Specimen Type

Urine

Day(s) Performed

Monday through Saturday

Reference Values

Negative

Screening cutoff concentration: 500 ng/mL

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.

Profile Information

Test ID Reporting Name Available Separately Always Performed
ETGS Ethyl Glucuronide Screen, U Yes Yes

Reflex Tests

Test ID Reporting Name Available Separately Always Performed
ETGC Ethyl Glucuronide Confirmation, U Yes No

Method Name

Immunoassay

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.

Forms

If not ordering electronically, complete, print, and send a Therapeutics Test Request (T831) with the specimen.

CPT Code Information

80307

LOINC Code Information

Test ID Test Order Name Order LOINC Value
ETGR Ethyl Glucuronide Scrn w/Reflex, U 58375-7

 

Result ID Test Result Name Result LOINC Value
63420 Ethyl Glucuronide Screen, U 58375-7

Report Available

Same day/1 to 2 days