K023894 is an FDA 510(k) clearance for the ST AIA-PACK AFP ENZYME IMMUNOASSAY. Classified as Kit, Test,alpha-fetoprotein For Testicular Cancer (product code LOJ), Class II - Special Controls.
Submitted by Tosoh Medics, Inc. (South San Francisco, US). The FDA issued a Cleared decision on December 17, 2002 after a review of 25 days - a notably fast clearance cycle.
This device falls under the Immunology FDA review panel, regulated under 21 CFR 866.6010 - the FDA immunology 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.