| Label Mnemonic: | FENU |
| Epic code: | LAB9518 |
| Supply order: | Supply Order Form |
| Billing: | Billing Policies |
| CPT code: | 80354 |
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| Clear top tube |
5 mL random urine
None
Drug of abuse screening tests are to be used for medical purposes only and not for non-medical purposes (e.g., employee, competitive athlete, or forensic testing).
Screen includes fentanyl metabolites only. To order the full drug of abuse-urine panel, see "Drugs of Abuse Screen."
Test cut off: 5 ng/mL for norfentanyl (metabolite).
If quantitative confirmation is needed for fentanyl, call UIDL Client Services at 1-866-844-2522. Allow up to seven days for confirmatory results.
Quantitative confirmation is at an additional charge.
| Drug | Approximate cut-off for fentanyl assay (ng/mL) |
|---|---|
| Fentanyl | 3.8 |
| Norfentanyl | 5 |
| Acetyl Fentanyl | 7 |
| Acryl Fentanyl | 4 |
| Butyryl Fentanyl | 6 |
| Cyclopropyl Fentanyl | 3.2 |
| Furanyl Fentanyl | 5.5 |
| Para-fluoro Fentanyl | 3.2 |
| Carfentanil | No cross-reactivity |
| Despropionyl Fentanyl (4-ANPP) | No cross-reactivity |
| U-47700 | No cross-reactivity |
There is the possibility that other substances and/or factors may interfere with the test and cause erroneous results (e.g., technical or procedural errors). Call the lab at 319-356-3527 for additional information.
Homogeneous enzyme immunoassay
1-866-844-2522 (toll free)
319-384-7213 (Fax)