Regulations last checked for updates: May 04, 2024

Title 49 - Transportation last revised: May 01, 2024
§ 40.86 - What is urine validity testing, and are laboratories required to conduct it?

(a) Specimen validity testing is the evaluation of the specimen to determine if it is consistent with normal human urine. The purpose of validity testing is to determine whether certain adulterants or foreign substances were added to the urine, if the urine was diluted, or if the specimen was substituted.

(b) As a laboratory, you must conduct validity testing.

[65 FR 79526, Dec. 19, 2000, as amended at 66 FR 41951, Aug. 9, 2001; 73 FR 35970, June 25, 2008. Redesignated at 88 FR 27643, May 2, 2023]
source: 65 FR 79526, Dec. 19, 2000, unless otherwise noted.
cite as: 49 CFR 40.86