Subpart H. Subpart H—Split Specimen Tests

• § 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?