DOT Rule 49 CFR Part 40 Section 40.155

Subpart G - Medical Review Officers and the Verification Process

§ 40.155 What does the MRO do when a negative or positive test result is also dilute?

(a) When the laboratory reports that a specimen is dilute, you must, as the MRO, report to the DER that the specimen, in addition to being...

DOT Rule 49 CFR Part 40 Section 40.153

Subpart G - Medical Review Officers and the Verification Process § 40.153 How does the MRO notify employees of their right to a test of the split specimen?

(a) As the MRO, when you have verified a drug test as positive for a drug or drug metabolite, or as a refusal to test because of...

DOT Rule 49 CFR Part 40 Section 40.151

Subpart G - Medical Review Officers and the Verification Process § 40.151 What are MROs prohibited from doing as part of the verification process?

As an MRO, you are prohibited from doing the following as part of the verification process:

(a) You must not consider any evidence (...

DOT Rule 49 CFR Part 40 Section 40.149 Q&A

§40.149 ...

DOT Rule 49 CFR Part 40 Section 40.149

Subpart G - Medical Review Officers and the Verification Process§ 40.149 May the MRO change a verified drug test result? (a) As the MRO, you may change a verified test result only in the following situations: (1) When you have reopened a verification that was done without an interview...

DOT Rule 49 CFR Part 40 Section 40.145

Subpart G - Medical Review Officers and the Verification Process§ 40.145 On what basis does the MRO verify test results involving adulteration or substitution?

(a) As an MRO, when you receive a laboratory report that a specimen is adulterated or substituted, you must treat that report in the same...

DOT Rule 49 CFR Part 40 Section 40.141 Q&A

§§ 40.137, 40.141, 40.151 ...

DOT Rule 49 CFR Part 40 Section 40.141

Subpart G - Medical Review Officers and the Verification Process § 40.141 How does the MRO obtain information for the verification decision? As the MRO, you must do the following as you make the determinations needed for a verification decision: (a) You must conduct a...

DOT Rule 49 CFR Part 40 Section 40.139

Subpart G - Medical Review Officers and the Verification Process § 40.139 On what basis does the MRO verify test results involving opiates?

As the MRO, you must proceed as follows when you receive a laboratory confirmed positive opiate result:

(a) If the laboratory confirms the...

DOT Rule 49 CFR Part 40 Section 40.137

Subpart G - Medical Review Officers and the Verification Process§ 40.137 On what basis does the MRO verify test results involving marijuana, cocaine, amphetamines, semi-synthetic opioids, or PCP? (a) As the MRO, you must verify a confirmed positive test result for marijuana, cocaine...

Drug and Alcohol Testing

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