Subpart G - Medical Review Officers and the Verification Process

§ 40.161 What does the MRO do when a drug test specimen is rejected for testing?

Subpart G - Medical Review Officers and the Verification Process

§ 40.163 How does the MRO report drug test results?

(a) As the MRO, it is your responsibility to...

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As an MRO you have an important and indispensable role in the DOT drug testing process.  You act as an independent and impartial 'gatekeeper' and you advocate for the accuracy and integrity...

Subpart F - Drug Testing Laboratories

§ 40.82 What drugs do laboratories test for?

As a laboratory, you must test for the following five drugs or classes of drugs in a DOT drug...

Subpart F - Drug Testing Laboratories

§ 40.84 How long does the laboratory retain specimens after testing?

(a) As a laboratory testing the primary specimen, you must retain a...

Subpart F - Drug Testing Laboratories

§ 40.86 What is urine validity testing, and are laboratories required to conduct it?

(a) Specimen validity testing is the evaluation of...