Drug Testing Laboratories | Midpage

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Code of Federal Regulations

Subpart F

Drug Testing Laboratories

40.101What relationship may a laboratory have with an MRO?40.107Who may inspect laboratories?40.109What documentation must the laboratory keep, and for how long?40.111When and how must a laboratory disclose statistical summaries and other information it maintains?40.81What laboratories may be used for DOT drug testing?40.82What drugs do laboratories test for?40.83How do laboratories process incoming specimens?40.84How long does the laboratory retain specimens after testing?40.85What are the cutoff concentrations for urine drug tests?40.86What is urine validity testing, and are laboratories required to conduct it?40.87What validity tests must laboratories conduct on primary urine specimens?40.88What criteria do laboratories use to establish that a urine specimen is dilute or substituted?40.89What are the adulterant cutoff concentrations for initial and confirmation urine tests?40.90What criteria do laboratories use to establish that a urine specimen is invalid?40.91What are the cutoff concentrations for oral fluid drug tests?40.92What is oral fluid validity testing, and are laboratories required to conduct it?40.93What validity tests must laboratories conduct on primary oral fluid specimens?40.97What do laboratories report and how do they report it?