Lab Test

Ethyl Glucuronide Screen Urine Random

Test Codes

Mayo: ETGS, EPIC: LAB7596, Beaker:

Specimen Collection Criteria

Collect: 20 mL random urine in a screw-capped container. (Minimum volume: 2.5 mL)

Physician Office/Draw Specimen Preparation

Maintain specimen refrigerated (2-8°C or 36-46°F) prior to transport.

Preparation for Courier Transport

Transport: 20 mL random urine, refrigerated (2-8°C or 36-46°F). (Minimum volume: 2.5 mL)

Rejection Criteria

Specimens not collected and processed as indicated.

In-Lab Processing

Maintain specimen refrigerated (2-8°C or 36-46°F) prior to transport.


Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 72 hours
Refrigerated (2-8°C or 36-46°F): 28 days
Frozen (-20°C/-4°F or below): 28 days

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Send Outs Laboratory with any questions.


Sent to Mayo Medical Laboratories, Rochester, MN.


Monday – Saturday.
Results available within 2-3 days.

Reference Range

By report.

Test Methodology



By report.

CPT Codes

LOINC:  45324-1


Last Updated


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