K230890 is an FDA 510(k) clearance for the ISE Electrodes. Classified as Electrode, Ion Specific, Potassium (product code CEM), Class II - Special Controls.
Submitted by Randox Laboratories, Ltd. (Crumlin, GB). The FDA issued a Cleared decision on September 8, 2023 after a review of 161 days - an extended review cycle.
This device falls under the Chemistry FDA review panel, regulated under 21 CFR 862.1600 - 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. Standard predicate reliance. This Special 510(k) clearance confirms that the manufacturer's modifications remained within the established regulatory envelope of the original cleared device.