49 CFR Subpart G
Medical Review Officers and the Verification Process
November 18, 2020
§
40.121
Who is qualified to act as an MRO?
§
40.123
What are the MRO's responsibilities in the DOT drug testing program?
§
40.125
What relationship may an MRO have with a laboratory?
§
40.127
What are the MRO's functions in reviewing negative test results?
§
40.129
What are the MRO's functions in reviewing laboratory confirmed non-negative drug test results?
§
40.131
How does the MRO or DER notify an employee of the verification process after receiving laboratory confirmed non-negative drug test results?
§
40.133
Without interviewing the employee, under what circumstances may the MRO verify a test result as positive, or as a refusal to test because of adulteration or substitution, or as cancelled because the test was invalid?
§
40.135
What does the MRO tell the employee at the beginning of the verification interview?
§
40.137
On what basis does the MRO verify test results involving marijuana, cocaine, amphetamines, semi-synthetic opioids, or PCP?
§
40.139
On what basis does the MRO verify test results involving 6-acetylmorphine, codeine, and morphine?
§
40.141
How does the MRO obtain information for the verification decision?
§
40.143
[Reserved]
§
40.145
On what basis does the MRO verify test results involving adulteration or substitution?
§
40.147
[Reserved]
§
40.149
May the MRO change a verified drug test result?
§
40.151
What are MROs prohibited from doing as part of the verification process?
§
40.153
How does the MRO notify employees of their right to a test of the split specimen?
§
40.155
What does the MRO do when a negative or positive test result is also dilute?
§
40.157
[Reserved]
§
40.159
What does the MRO do when a drug test result is invalid?
§
40.160
What does the MRO do when a valid test result cannot be produced and a negative result is required?
§
40.161
What does the MRO do when a drug test specimen is rejected for testing?
§
40.162
What must MROs do with multiple verified results for the same testing event?
§
40.163
How does the MRO report drug test results?
§
40.165
To whom does the MRO transmit reports of drug test results?
§
40.167
How are MRO reports of drug results transmitted to the employer?
§
40.169
Where is other information concerning the role of MROs and the verification process found in this regulation?
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