Table 1 Summary of results from previous BTNX rapid response fentanyl test strip (20 ng/mL cutoff) evaluations
From: Testing the test strips: laboratory performance of fentanyl test strips
Study | Year | Fentanyl limit of detection (ng/mL) | Fentanyl analog cross-reactivity | Interferences |
|---|---|---|---|---|
Green et al. | 2020 | 100 | 2 of 2 assessed cross-reacted | Not Assessed |
Bergh et al. | 2021 | 50 | 25 of 28 assessed cross-reacted | None found among substances assessed |
Lockwood et al. | 2021 | 25 | Not Assessed | Methamphetamine, MDMA, Diphenhydramine |
Wharton et al. | 2021 | 100 | 19 of 29 assessed cross-reacted | Not Assessed |
Park et al. | 2022 | 200 | 13 out of 17 assessed cross-reacted | Not Assessed |