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Test Code LAB8733 Ethyl Glucuronide Screen with Reflex, Random, Urine

Important Note

Mayo's test code: ETGR


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 sample 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.


Forms

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

Useful For

Screening and confirmation for drug abuse involving alcohol

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

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.

Reporting Name

Ethyl Glucuronide Scrn w/Reflex, U

Specimen Type

Urine

Specimen Minimum Volume

2.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Urine Refrigerated (preferred) 28 days
  Frozen  28 days
  Ambient  72 hours

Reject Due To

  All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.

Reference Values

Negative

Screening cutoff concentration: 500 ng/mL

Day(s) Performed

Monday through Saturday

Report Available

Same day/1 to 2 days

Specimen Retention Time

14 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

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