K821950 is an FDA 510(k) clearance for the Q-PAK URINE TOXICOLOGY CONTROL UNASSAYED. Classified as Drug Mixture Control Materials (product code DIF), Class I - General Controls.
Submitted by Travenol Laboratories, S.A. (Mchenry, US). The FDA issued a Cleared decision on July 20, 1982 after a review of 20 days - a notably fast clearance cycle.
This device falls under the Toxicology FDA review panel, regulated under 21 CFR 862.3280 - the FDA toxicology device framework. The Traditional 510(k) pathway establishes clearance through substantial equivalence to a legally marketed predicate device, without requiring clinical trial data.
Device pattern: Fast-track predicate clearance. Standard predicate reliance. The short review cycle indicates strong predicate alignment - the FDA found sufficient equivalence without extended technical review.
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