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DOT Rule 49 CFR Part 40 Section 40.173
Subpart H - Split Specimen Tests§ 40.173 Who is responsible for paying for the test of a split specimen? (a) As the employer, you are responsible for making sure (e.g., by establishing appropriate accounts with laboratories for testing split specimens) that the MRO, first laboratory, and...DOT Rule 49 CFR Part 40 Section 40.171
Subpart H - Split Specimen Tests§ 40.171 How does an employee request a test of a split specimen?
(a) As an employee, when the MRO has notified you that you have a verified positive drug test and/or refusal to test because of adulteration or substitution, you have 72 hours from the time of...
DOT Rule 49 CFR Part 40 Section 40.165
Subpart G - Medical Review Officers and the Verification Process§ 40.165 To whom does the MRO transmit reports of drug test results?
(a) As the MRO, you must report all drug test results to the DER, except in the circumstances provided for in §40.345 .
(b) If the employer...
DOT Rule 49 CFR Part 40 Section 40.163
Subpart G - Medical Review Officers and the Verification Process§ 40.163 How does the MRO report drug test results?
(a) As the MRO, it is your responsibility to report all drug test results to the employer.
(b) You may use a signed or stamped and dated legible photocopy...
DOT Rule 49 CFR Part 40 Section 40.162
Subpart G - Medical Review Officers and the Verification Process§ 40.162 What must MROs do with multiple verified results for the same testing event? (a) If the testing event is one in which there was one specimen collection with multiple verified non-negative results, as the MRO, you must...DOT Rule 49 CFR Part 40 Section 40.161
Subpart G - Medical Review Officers and the Verification Process § 40.161 What does the MRO do when a drug test specimen is rejected for testing? As the MRO, when the laboratory reports that the specimen is rejected for testing (e.g., because of a fatal or uncorrected flaw), you...DOT Rule 49 CFR Part 40 Section 40.160
Subpart G - Medical Review Officers and the Verification Process§ 40.160 What does the MRO do when a valid test result cannot be produced and a negative result is required?
(a) If a valid test result cannot be produced and a negative result is required, (under § 40.159 (a)(5)(iii) and...
DOT Rule 49 CFR Part 40 Section 40.159
Subpart G - Medical Review Officers and the Verification Process § 40.159 What does the MRO do when a drug test result is invalid?(a) As the MRO, when the laboratory reports that the test result is an invalid result, you must do the following:
(1) Discuss the laboratory results...
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...