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Subpart H—Split specimen tests RegSenseMedical review officer (MRO) - Motor CarrierFleet SafetyCFR SubpartDrug and Alcohol Testing - DOTCFR RegulationsDrug testing - Motor CarrierOffice of the Secretary of TransportationFocus AreaDesignated employer representative (DER) - Motor CarrierEnglishSplit specimen - Motor CarrierTransportationUSA
§40.171 How does an employee request a test of a split specimen?§40.173 Who is responsible for paying for the test of a split specimen?§40.175 What steps does the first laboratory take with a split specimen?§40.177 What does the second laboratory do with the split specimen when it is tested to reconfirm the presence of a drug or drug metabolite?§40.179 What does the second laboratory do with the split specimen when it is tested to reconfirm an adulterated test result?§40.181 What does the second laboratory do with the split specimen when it is tested to reconfirm a substituted test result?§40.183 What information do laboratories report to MROs regarding split specimen results?§40.185 Through what methods and to whom must a laboratory report split specimen results?§40.187 What does the MRO do with split specimen laboratory results?§40.189 Where is other information concerning split specimens found in this regulation?READ MORESHOW LESS['Drug and Alcohol Testing - DOT']['Designated employer representative (DER) - Motor Carrier', 'Medical review officer (MRO) - Motor Carrier', 'Split specimen - Motor Carrier', 'Drug testing - Motor Carrier']