49 CFR 40.86
§ 40.86 What is urine validity testing, and are laboratories required to conduct it?
United States · 49 CFR — Transportation · Status: effective
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- Citation
- 49 CFR 40.86, § 40.86 What is urine validity testing, and are laboratories required to conduct it?, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/255231
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Full text
(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.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.