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Drug Testing

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DOT Rule 49 CFR Part 40 Section 40.131

Subpart G - Medical Review Officers and the Verification Process§ 40.131  How does the MRO or DER notify an employee of the verification process after receiving laboratory confirmed non-negative drug test results?(a) When, as the MRO, you receive a confirmed positive, adulterated, substituted...

DOT Rule 49 CFR Part 40 Section 40.129

Subpart G - Medical Review Officers and the Verification Process § 40.129 What are the MRO's functions in reviewing laboratory confirmed non-negative drug test results? (a) As the MRO, you must do the following with respect to confirmed positive, adulterated, substituted, or invalid results...

DOT Rule 49 CFR Part 40 Section 40.127

Subpart G - Medical Review Officers and the Verification Process

§ 40.127 What are the MRO's functions in reviewing negative test results?

As the MRO, you must do the following with respect to negative drug test results you receive from a laboratory, prior to verifying the result...

DOT Rule 49 CFR Part 40 Section 40.125

Subpart G - Medical Review Officers and the Verification Process§ 40.125 What relationship may an MRO have with a laboratory? As an MRO, you may not enter into any relationship with an employer's laboratory that creates a conflict of interest or the appearance of a conflict of interest with...

DOT Rule 49 CFR Part 40 Section 40.123

Subpart G - Medical Review Officers and the Verification Process § 40.123 What are the MRO's responsibilities in the DOT drug testing program?   As an MRO, you have the following basic responsibilities:   (a) Acting as an independent and impartial “gatekeeper” and advocate...

DOT Rule 49 CFR Part 40 Section 40.121

Subpart G - Medical Review Officers and the Verification Process § 40.121 Who is qualified to act as an MRO?

To be qualified to act as an MRO in the DOT drug testing program, you must meet each of the requirements of this section:

(a) Credentials. You must be a licensed...

DOT Rule 49 CFR Part 40 Section 40.167

Subpart G - Medical Review Officers and the Verification Process§ 40.167 How are MRO reports of drug results transmitted to the employer? As the MRO or C/TPA who transmits drug test results to the employer, you must comply with the following requirements: (a) You must report the results...

DOT Rule 49 CFR Part 40 Section 40.187

Subpart H - Split Specimen Tests § 40.187 What does the MRO do with split specimen laboratory results?   As the MRO, the split specimen laboratory results you receive will fall into five categories. You must take the following action, as appropriate, when a laboratory reports split...