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Test Code MISCLM Ethyl Glucuronide Screen with Reflex, Urine

Additional Codes

MAYO Test ID
ETGR
EPIC Test ID
LAB2608

 

Useful For

Screening 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 Required


Collection Container/Tube: Plastic urine container

Submission Container/Tube: Plastic, 60-mL urine bottle

Specimen Volume: 20 mL

Collection Instructions:

1. Collect a random urine specimen.

2. Submit 20 mL in 1 plastic bottle.

3. No preservative.

Additional Information:

1. 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, Urine.

2. If urine creatinine is required or adulteration of the sample is suspected, the following test should be requested, ADULU / Adulterants Survey, Urine or ADULT / Adulterants Survey, Urine.

3. For additional information, refer to ADULU / Adulterants Survey, Urine or ADULT / Adulterants Survey, Urine.


Specimen Minimum Volume

2.5 mL

Specimen Stability Information

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

Reject Due To

Hemolysis

NA

Lipemia

NA

Icterus

NA

Other

NA

Reference Values

Negative

Screening cutoff concentration:

Ethyl Glucuronide: 500 ng/mL 

Day(s) and Time(s) Performed

Monday through Sunday

Analytic Time

Same day/1 day

Performing Laboratory

Mayo Medical Laboratories in Rochester

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

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

Method Name

Immunoassay