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Ethyl Glucuronide/Ethyl Sulfate (EtG/EtS), Screen and Confirmation, Urine
CPT:
80307
Expected Turnaround Time
1 - 4 days
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Related Documents
Specimen Requirements
Specimen
Urine
Volume
20 mL
Minimum Volume
10 mL (Note: This volume does not allow for repeat testing.)
Container
Plastic urine container. Use evidence tape or tamper-evident container for forensic specimens. Collection kits are available by request from the laboratory.
Collection
Urine temperature monitoring is recommended for samples tested for medicolegal purposes.
Storage Instructions
Maintain specimen at room temperature. If arrival at lab will extend beyond three days, refrigerate.
Test Details
Use
Detect ingestion of ethanol.
Limitations
This test was developed, and its performance characteristics determined, by LabCorp. It has not been cleared or approved by the US Food and Drug Administration (FDA).
Methodology
Initial testing by immunoassay (IA); confirmation of positives by mass spectrometry (MS)
Additional Information
Ethyl glucuronide (EtG) is a direct metabolite of ethanol, which is formed by enzymatic conjugation of ethanol with glucuronic acid. Alcohol in the urine is normally detected for only a few hours versus several days for EtG. EtG, therefore, can be used to monitor compliance programs for abstinence from alcohol.
LOINC® Map
| Order Code | Order Code Name | Order Loinc | Result Code | Result Code Name | UofM | Result LOINC |
|---|---|---|---|---|---|---|
| 737610 | Ethyl Glucuronide, Urine | 764490 | Ethyl Glucuronide Screen, Ur | ng/mL | 45324-1 |
| Reflex Table for Ethyl Glucuronide Screen, Ur | ||||||
|---|---|---|---|---|---|---|
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
| Reflex 1 | 737611 | Ethyl Glucuronide LC/MS/MS | 737612 | EtG/EtS LC/MS/MS | 74758-4 | |
| Reflex Table for Ethyl Glucuronide Screen, Ur | ||||||
|---|---|---|---|---|---|---|
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
| Reflex 1 | 737611 | Ethyl Glucuronide LC/MS/MS | 737613 | Ethyl Glucuronide | 58377-3 | |
| Reflex Table for Ethyl Glucuronide Screen, Ur | ||||||
|---|---|---|---|---|---|---|
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
| Reflex 1 | 737611 | Ethyl Glucuronide LC/MS/MS | 737614 | Ethyl Glucuronide LC/MS/MS | ng/mL | 45324-1 |
| Reflex Table for Ethyl Glucuronide Screen, Ur | ||||||
|---|---|---|---|---|---|---|
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
| Reflex 1 | 737611 | Ethyl Glucuronide LC/MS/MS | 737605 | Ethyl Sulfate | 74683-4 | |
| Reflex Table for Ethyl Glucuronide Screen, Ur | ||||||
|---|---|---|---|---|---|---|
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
| Reflex 1 | 737611 | Ethyl Glucuronide LC/MS/MS | 737603 | Ethyl Sulfate LC/MS/MS | ng/mL | 58425-0 |
| Reflex Table for Ethyl Glucuronide Screen, Ur | ||||||
|---|---|---|---|---|---|---|
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
| Reflex 1 | 737611 | Ethyl Glucuronide LC/MS/MS | 734590 | Please Note: | n/a | |
| Reflex Table for Ethyl Glucuronide Screen, Ur | ||||||
|---|---|---|---|---|---|---|
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
| Reflex 1 | 737611 | Ethyl Glucuronide LC/MS/MS | 701819 | EtG GC/MS Holding | n/a | |
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CPT Statement/Profile Statement
The LOINC® codes are copyright © 1994-2021, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. Permission is granted in perpetuity, without payment of license fees or royalties, to use, copy, or distribute the LOINC® codes for any commercial or non-commercial purpose, subject to the terms under the license agreement found at https://loinc.org/license/. Additional information regarding LOINC® codes can be found at LOINC.org, including the LOINC Manual, which can be downloaded at LOINC.org/downloads/files/LOINCManual.pdf