Checkr does not currently offer screenings with Fentanyl, Buprenorphine, Tramadol, and TCA. Visit the Drug Screenings article on the Checkr Help Center for a list of substances tested by the 5, 9, and 10-panel screening options.
Please note that for panels GH276 and GH355 the cutoff level for opiates is 300/300.
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