ETG (Alcohol) Screen
Viruses Included in Panel
Organisms Included in Panel
Test Utility
This test is used to detect the presence of illicit or prescription medications in urine.
Urine Drug Screen Profile Includes:
Methodology
Immunoassay screen for qualitative detection of alcohol in urine.
Ethyl Glucuronide (ETG) is a direct metabolite of ethanol, formed by enzymatic conjugation of ethanol with glucuronic acid. Alcohol in urine is usually detected for only a few hours, whereas ETG can be detected for up to several days after complete elimination of alcohol from the body. The DRI ETG screen in an enzyme immunoassay.
The assay uses specific antibodies that can detect Ethyl Glucuronide without any significant cross-reactivity to other glucuronide compounds. The assay is based on competition between a drug labeled with glucose-6-phosphate dehydrogenase (G6PDH), and free drug from the urine sample for a fixed amount of specific antibody binding sites. In the absence of free drug from the sample, the specific antibody binds the drug labeled with G6PDH and causes a decrease in enzyme activity. This phenomenon creates a direct relationship between the drug concentration in urine and enzyme activity. Active enzyme converts NAD to NADH resulting in an absorbance change that can be measured spectrophotometrically at 340 nm.
Methodology
Screen Test Name | Assay Type |
|---|---|
ETG
| DRI |
Amphetamine
| DRI |
Barbiturates
| DRI |
Benzodiazepine
| DRI |
Cotinine
| DRI
|
Cocaine
| DRI |
Methadone
| DRI |
Opiate
| DRI |
Oxycodone
| DRI |
THC
| DRI |
Fentanyl
| DRI |
Buprenorphine | CEDIA
|
PCP
| DRI |
Individual Test Information Including Methodology & Reference Ranges
Reflex to UTI Criteria
Specimen Collection and Preparation
At least 1 mL of urine should be collected in a urine specimen container.
Specimen Storage and Stability
Urine specimen should be stored under refrigerated conditions (2–8°C) until analysis. Samples will also be stored under refrigerated conditions on site for 2 weeks post analysis.
Specimen Rejection
Insufficient sample volume
Specimen labeled incorrectly or not labeled
Specimen validity tests indicate adulterated test
Reference Range (Cutoff)
Test results above the assay cutoff are reported as Positive.
Test results under the cutoff are reported as Negative.
If reflex from positive screen is ordered, the following confirmation analytes will be tested via LC/MS/MS:
ETG
*Reference ranges provided for informational purposes only. See patient report for test interpretation.
Screen Test Name | Screen Test Name Cutoff (ng/mL) |
|---|---|
Cocaine | 300 |
Screen Test Name | Screen Test Name Cutoff (ng/mL) |
|---|---|
Benzodiazepine | 200 |
Screen Test Name | Cutoff (ng/mL) |
|---|---|
Buprenorphine | 5 |
Screen Test Name | Screen Test Name Cutoff (ng/mL) |
|---|---|
Amphetamine | 500 |
Screen Test Name | Screen Test Name Cutoff (ng/mL) |
|---|---|
Barbiturates | 200 |
Screen Test Name | Screen Test Name Cutoff (ng/mL) |
|---|---|
ETG | 500 |
ETG (Alcohol)
Screen Test Name | Screen Test Name Cutoff (ng/mL) |
|---|---|
ETG | 500 |
Screen Test Name | Screen Test Name Cutoff (ng/mL) |
|---|---|
EDDP | 100 |
Screen Test Name | Screen Test Name Cutoff (ng/mL) |
|---|---|
Fentanyl | 1 |
Screen Test Name | Screen Test Name Cutoff (ng/mL) |
|---|---|
Methadone | 300 |
Screen Test Name | Screen Test Name Cutoff (ng/mL) |
|---|---|
PCP | 25 |
Screen Test Name | Screen Test Name Cutoff (ng/mL) |
|---|---|
Opiate | 300 |
Screen Test Name | Screen Test Name Cutoff (ng/mL) |
|---|---|
Oxycodone | 300 |
Screen Test Name | Cutoff (ng/mL) |
|---|---|
Methamphetamine | 500 |
Screen Test Name | Cutoff (ng/mL) |
|---|---|
THC | 50 |
Screen Test Name | Cutoff (ng/mL) |
|---|---|
ETG | 500 |
Amphetamine | 500 |
Barbiturates | 200 |
Benzodiazepine | 200 |
Cotinine | 500 |
Cocaine | 300 |
Methadone | 300 |
Opiate | 300 |
Oxycodone | 300 |
THC | 50 |
Fentanyl | 1 |
Buprenorphine | 5 |
PCP | 25 |
Reference Range
Parameter | Reference Range |
|---|---|
Glucose | Negative |
Bilirubin | Negative |
Ketones | Negative |
Specific Gravity | 1.005 - 1.030 |
Blood | Negative |
pH | 5.0 - 8.0 |
Protein | Negative |
Urobilinogen | 0.0 - 1.0 mg/dL |
Nitrate | Negative |
Leukocyte Esterase | Negative |
Microscopic Evaluation | |
WBC | Negative |
RBC | Negative |
Hylaine Casts | Negative |
All other Parameters | Negative |
Parameter | Reference Range |
|---|---|
Microscopic Evaluation | |
WBC | Negative |
RBC | Negative |
Hylaine Casts | Negative |
All other Parameters | Negative |
Parameter | Reference Range |
|---|---|
Glucose | Negative |
Bilirubin | Negative |
Ketones | Negative |
Specific Gravity | 1.005 - 1.030 |
Blood | Negative |
pH | 5.0 - 8.0 |
Protein | Negative |
Urobilinogen | 0.0 - 1.0 mg/dL |
Nitrate | Negative |
Leukocyte Esterase | Negative |
CBC | Adult Male | Adult Female | Adult Female 10^3/uL | Adult Female % |
|---|---|---|---|---|
WBC
| 3.5-10.5 10³/uL | 3.5-10.5 10³/uL | ||
RBC
| 4.32-5.72 10⁶/uL | 3.9-5.03 10⁶/uL | ||
HGB | 13.5-17.5 g/dL | 12.0-15.5 g/dL | ||
HCT | 38.8-50.0% | 34.9-44.5% | ||
MCV | 81.2-95.1 fL | 81.6-98.3fL | ||
MCH | 27-35 pg | 27-35 pg | ||
MCHC | 31-36 g/dL
| 31-36 g/dL
| ||
RDW | 11.8-15.6% | 11.9-15.5%
| ||
PLT | 150-450 10³/uL | 150-450 10³/uL
| ||
Differential | Adult Male 10³/uL | Adult Male %
| ||
Neutrophils | 1.7-7.0 | 55-70
| 1.7-7.0
| 55-70 |
Lymphocytes | 0.9-2.9 | 20-40
| 0.9-2.9
| 20-40 |
Monocytes | 0.3-0.9 | 2-8
| 0.3-0.9
| 2-8 |
Eosinophils | 0.0-0.5 | 1-4
| 0.0-0.5
| 1-4 |
Basophils | 0.0-0.3 | 0.5-1
| 0-0.3
| 0.5-1 |
Immature Granulocytes | 0-0.5 | <1.0
| 0-0.5 | <1.0 |
CBC | Adult Male | Adult Female |
|---|---|---|
WBC | 3.5-10.5 10³/uL | 3.5-10.5 10³/uL |
RBC | 4.32-5.72 10⁶/uL | 3.9-5.03 10⁶/uL |
HGB | 13.5-17.5 g/dL | 12.0-15.5 g/dL |
HCT | 38.8-50.0 % | 34.9-44.5% |
MCV | 81.2-95.1 fL | 81.6-98.3 fL |
MCH | 27-35 pg | 27-35 pg |
MCHC | 31-36 g/dL | 31-36 g/dL |
RDW | 11.8-15.6 % | 11.9-15.5% |
PLT | 150-450 10³/uL | 150-450 10³/uL |
Test | Adult Male | Adult Female |
|---|---|---|
ESR | 0-10 mm/hr | 0-20 mm/hr |
CBC | Adult Male | Adult Female |
|---|---|---|
HGB | 13.5-17.5 g/dL | 12.0-15.5 g/dL |
HCT | 38.8-50.0% | 34.9-44.5% |
Test | Adult Male | Adult Female |
|---|---|---|
Reticulocyte Count | 0.0216 – 0.0858 10^6/uL | 0.0195 – 0.0755 10^6/uL |
Testing Description
State Reportable Infection
Pediatric Range
Test Code
P-VHLG-302
Performed
Monday – Saturday
Result available within 24-48 hours of receipt in laboratory
NOTE: Specimens are refrigerated (2-8°) for 14 days before disposal
Contacts
Vibra Health Laboratory
1307- A, Allen Dr
Troy, MI 48083
(248) 846-0663
Last Updated
7/20/23 v.1