K991641 is an FDA 510(k) clearance for the AT HOME COCAINE & THC SCREENING TEST, MODEL 9170. Classified as Kit, Test, Multiple, Drugs Of Abuse, Over The Counter (product code MVO).
Submitted by Phamatech (San Diego, US). The FDA issued a Cleared decision on June 1, 1999 after a review of 20 days - a notably fast clearance cycle.
This device falls under the Toxicology FDA review panel. 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.