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Test Code MISCLM Ethyl Glucuronide Confirmation, Random, Urine

Additional Codes

MAYO Test ID
ETGC
EPIC Test ID
LAB2608

 

Useful For

Ethyl glucuronide (EtG) and ethyl sulfate (EtS) are direct biomarkers or metabolites of ethanol. EtG and EtS can be detected up to 5 days in urine using a cutoff of 500 ng/mL.(1) These biomarkers are often used in monitoring abstinence in clinical and justice system settings.

Reporting Name

Ethyl Glucuronide Confirmation, U

Specimen Type

Urine


Advisory Information


If submitting for multiple tests on 1 order, submit a total volume of 5 mL per test ordered in a single plastic container.  



Specimen Required


Supplies: Aliquot Tube, 5 mL (T465)

Collection Container/Tube: Plastic urine container

Submission Container/Tube: Aliquot Tube, 5 mL (T465)

Specimen Volume: 5 mL

Collection Instructions:

1. Collect a random urine specimen.

2. Submit 5 mL in 1 plastic bottle.

3. If submitting for multiple tests on 1 order, submit 5 mL per test ordered in a single plastic container.

4. No preservative.

Additional Information:

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

4. Submitting <5 mL will compromise our ability to perform all necessary testing.


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

Day(s) and Time(s) Performed

Monday, Wednesday, Friday

Analytic Time

2 days

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

80321; G0480 (if appropriate)

LOINC Code Information

Result ID Test Result Name Result LOINC Value
63421 Ethyl Glucuronide 58378-1
36848 Ethyl Sulfate 58425-0
36849 Ethyl Gluc/Sulfate Interpretation 59462-2

Method Name

Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)

Forms

Chain-of-Custody Request Form is included in the Chain of Custody Kit (T282). A copy of this form is also available at http://www.mayomedicallaboratories.com/it-mmfiles/chain-of-custody-request-form.pdf.