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General

Legacy ID
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'Back to Basics' for Medical Review Officers

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 of the drug testing process. Your quality assurance reviews of the drug testing process strengthen...

DOT Rule 49 CFR Part 40 Section 40.92

Subpart F - Drug Testing Laboratories § 40.92 What is oral fluid validity testing, and are laboratories required to conduct it?

(a) Specimen validity testing is the evaluation of the specimen to determine if it is consistent with normal human oral fluid. The purpose of validity testing is...