As a laboratory, if you conduct validity testing under § 40.92, you must conduct it in accordance with the requirements of this section.
(a) You may test for a biomarker such as albumin or immunoglobulin G (IgG) or a test for a specific adulterant.
(b) You must follow the applicable HHS requirements for any additional validity testing.
Source: 88 FR 27643, May 2, 2023
Compiled from the Electronic Code of Federal Regulations (eCFR), an editorial compilation and not an official legal edition of the CFR. The official text is the Federal Register and the annual CFR edition. §40.93 on eCFR.