Ask X3What does 49 CFR 40.93 (What validity tests must laboratories conduct on primary oral fluid specimens?) require?
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According to 49 CFR 40.93, if a laboratory conducts validity testing on primary oral fluid specimens under § 40.92, it must meet the following requirements:
* The laboratory may test for a specific adulterant or for a biomarker, such as immunoglobulin G (IgG) or albumin.
* The laboratory must follow the applicable HHS (Department of Health and Human Services) requirements for any additional validity testing.
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