Ethyl Glucuronide Screen with Reflex to Confirmation, Urine
| Abbrev Code: | ETHGLU | ||
| Order Code: | LAB1142 | Order Name: | Ethyl Glucuronide Screen with Reflex to Confirmation, Urine |
| Synonyms: | Alcohol Biomarkers, Urine; ETG | ||
| Methodology: | Qualitative enzyme immunoassay/Quantitative liquid chromatography/Tandem mass spectrometry; Reflex: Confirmation Quantitation by LC-MS/MS | ||
| CPT Codes: | 80307 x1, 80307 x1, 80321 x1, 80321 x1 | ||
| Turnaround Time: | Specimens are sent to the reference laboratory Sun-Sat; results are reported within 2-5 days. | ||
| Associated Links: | |||
Collection Instructions
| Specimen: | Urine, random collection |
| Optimal Volume: | 4 mL |
| Minimum\Peds Volume: | 1 mL |
| Container: | Plastic leakproof container, sterile |
Processing and Shipping
| Specimen Processing: | Aliquot 4 mL, 1 mL minimum. Store in refrigerator. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Stability: | 1 week at room temperature; 1 month refrigerated; 1 month frozen. |
| Test Performed at or Referral Lab | Lab Sendouts (ARUP) |
| Referral Lab number: | 2007912; confirmation reflex: 2007909 |
Interpretive
| Reference Range: | Screen cutoff concentration: 500 ng/mL. Ethyl glucuronide is a direct metabolite of ethanol and can be detected up to 80 hours in urine after ethanol ingestion. The cutoff for positive by immunoassay is set at 500 ng/mL. A positive result will be confirmed by liquid chromatography/tandem mass spectrometry (LC-MS/MS). |
| Use: | Useful for general screening in the assessment of ethanol exposure in the context of compliance and/or abuse. A screen with reflex testing is the preferred method for ruling out ethanol exposure. For follow-up testing of a presumptive result, Ethyl Glucuronide and Ethyl Sulfate, Urine, Quantitative is preferred. Results do not accurately correlate with the amount or frequency of ethanol use. |
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