['Drug and Alcohol Testing - DOT']
['Medical review officer (MRO) - Motor Carrier', 'Designated employer representative (DER) - Motor Carrier']
09/17/2024
Copyright 2024 J. J. Keller & Associate, Inc. For re-use options please contact copyright@jjkeller.com or call 800-558-5011.
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(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 report them all to the DER. For example, if you verified the specimen as being positive for marijuana and cocaine and as being a refusal to test because the specimen was also adulterated, as the MRO, you should report the positives and the refusal to the DER.
(b) If the testing event was one in which two separate specimen collections (e.g., a specimen out of temperature range and the subsequent observed collection) were sent to the laboratory, as the MRO, you must:
(1) If both specimens were verified negative, report the result as negative.
(2) If either of the specimens was verified negative and the other was verified as one or more non-negative(s), report the non-negative result(s) only. For example, if you verified one specimen as negative and the other as a refusal to test because the second specimen was substituted, as the MRO you should report only the refusal to the DER.
(i) If the first specimen is reported as negative, but the result of the second specimen has not been reported by the laboratory, as the MRO, you should hold—not report—the result of the first specimen until the result of the second specimen is received.
(ii) If the first specimen is reported as non-negative, as the MRO, you should report the result immediately and not wait to receive the result of the second specimen.
(3) If both specimens were verified non-negative, report all of the non-negative results. For example, if you verified one specimen as positive and the other as a refusal to test because the specimen was adulterated, as the MRO, you should report the positive and the refusal results to the DER.
(c) As an exception to paragraphs (a) and (b) of this section, as the MRO, you must follow procedures at §40.159(g) when any verified non-negative result is also invalid.
[73 FR 35972, June 25, 2008; 82 FR 52245, Nov. 13, 2017]
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['Drug and Alcohol Testing - DOT']
['Medical review officer (MRO) - Motor Carrier', 'Designated employer representative (DER) - Motor Carrier']
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