K983617 is an FDA 510(k) clearance for the 25-HYDROXYVITAMIN D 125I RIA KIT. Classified as Automated Radioimmunoassay Systems, For Clinical Use (product code LCI), Class I - General Controls.
Submitted by DiaSorin, Inc. (Columbia, US). The FDA issued a Cleared decision on November 16, 1998 after a review of 32 days - a notably fast clearance cycle.
This device falls under the Chemistry FDA review panel, regulated under 21 CFR 862.2050 - the FDA in vitro diagnostics and chemistry 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.