NSC Medical Advisor Dr. Don Teater answers your workplace questions about prescription painkillers.
Question: Can we test 'DOT' employees for more than substances than on the five-panel drug test, such as Norco?
Answer: Your organization can test for more substances than required under DOT regulations, under your company authority. However, the DOT test must be conducted separately and include only those drugs on five-panel test. Testing for other drugs must be conducted separately from DOT and other federally-regulated testing.
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