K201908 is an FDA 510(k) clearance for the LIAISON Testosterone xt. Classified as Radioimmunoassay, Testosterones And Dihydrotestosterone (product code CDZ), Class I - General Controls.
Submitted by DiaSorin, Inc. (Stillwater, US). The FDA issued a Cleared decision on October 15, 2020 after a review of 98 days - within the typical 510(k) review window.
This device falls under the Chemistry FDA review panel, regulated under 21 CFR 862.1680 - 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.