49 CFR Subpart H
Split Specimen Tests
November 18, 2020
§
40.175
What steps does the first laboratory take with a split specimen?
§
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?
§
40.177
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?
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