K990664 is an FDA 510(k) clearance for the PRIMA SYSTEM - OLD, BARTELS ELISA - NEW. Classified as Reagents, Clostridium Difficile Toxin (product code LLH), Class I - General Controls.
Submitted by Intracel Corp. (Rockville, US). The FDA issued a Cleared decision on March 31, 1999 after a review of 30 days - a notably fast clearance cycle.
This device falls under the Microbiology FDA review panel, regulated under 21 CFR 866.2660 - the FDA microbiology 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.