K121166 is an FDA 510(k) clearance for the WONDFO MULTI-DRUG URINE TEST CUP WONDFO MULTI-DRUG URINE TEST PANEL. Classified as Enzyme Immunoassay, Cocaine And Cocaine Metabolites (product code DIO), Class II - Special Controls.
Submitted by Guangzhou Wondfo Biotech Co., Ltd. (Gaithersburg, US). The FDA issued a Cleared decision on May 8, 2012 after a review of 21 days - a notably fast clearance cycle.
This device falls under the Toxicology FDA review panel, regulated under 21 CFR 862.3250 - the FDA toxicology device framework. As a Special 510(k), this submission covers a manufacturer modification to an existing cleared device rather than a new device introduction.
Device pattern: Iterative device modification. Low regulatory complexity profile. This Special 510(k) clearance confirms that the manufacturer's modifications remained within the established regulatory envelope of the original cleared device.