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Fentanyl, Urine Screen UDRG4
Messageonly available as part of the URINE DRUG SCREEN PANEL (UDRG1/UDRG4)
Test Code
UFEN1
Alias/See Also
Urine Drug Screen, UDRG4, Fentanyl Screen
Specimen Stability
- Urine specimens may be collected in plastic (i.e., polypropylene, polycarbonate, polyethylene) or glass containers. Some plastics, other than those listed, can adsorb certain drugs.
- If not analyzed immediately, specimens may be stored at room temperature at 15 - 25o C for up to 7 days following collection. After 7 days, specimens should be stored frozen at <= -20o C. Frozen specimens must be completely thawed and mixed thoroughly prior to analysis.
- Specimens with high turbidity should be centrifuged before analysis. The recommended pH range for urine specimens is 3.0 - 11.0. Adulteration of the urine specimen may cause erroneous results. If adulteration is suspected, obtain another specimen. Human urine specimens should be handled and treated as if they are potentially infectious.
Report Available
24x7
Reference Range
Negative (Reference Range Negative)
Note: Positive Results with a cut-off value at 5 ng/mL
Note: Positive Results with a cut-off value at 5 ng/mL
Clinical Significance
| Overview: Fentanyl is an important opioid analgesic used widely in surgical operations and is a controlled substance. Due to its potency and wide availability as a prescribed drug, fentanyl has been abused and misused by health professionals, pain management patients, and recreational abusers. It is 50 to 100 times more potent than morphine. Most recent cases of fentanyl-related harm, overdose, and death in the US are linked to illegally made fentanyl. The Centers for Disease Control (CDC) recommends that laboratories provide options for Fentanyl testing in order to help provide enhanced surveillance for healthcare providers. |
Performing Laboratory
CRMC: Comunity Regional Laboratory
CCMC: Clovis Community Laboratory
