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Mayo Clinic Laboratories

Test Code LAB20705 Ethyl Glucuronide Screen with EtG/EtS Confirmation, Urine

Department

Send Outs

Reference Lab Test Number

UETG3

Refer To

Warde Medical Laboratory

Primary Collection Container

Sterile Urine Cup

Transport

Urine Refrigerated

Preferred Transport Temperature

Refrigerated

Processing

Mix well and send in a screw capped plastic urine cup.

Stability

Ambient: 2 days

Refrigerated: 14 days

Frozen: 14 days

Minimum Testing Volume

2.0 mL

Reference Range

Ethyl Glucuronide: See report

Ethyl Sulfate: See report

Methodology

Screen: Enzyme Immunoassay

High Performance Liquid Chromatography/Tandem Mass Spectrometry

Performed

6 days

Reported

Tuesday, Thursday

CPT Codes

80307, plus 80321/G0480 if positive confirmed, at additional cost

Unacceptable Conditions

Urine catheter cup (with needle)