K853404 is an FDA 510(k) clearance for the QCA POTASSIUM TEST KIT. Classified as Tetraphenyl Borate, Colorimetry, Potassium (product code CEJ), Class II - Special Controls.
Submitted by Bd Becton Dickinson Vacutainer Systems Preanalytic (Paramus, US). The FDA issued a Cleared decision on August 23, 1985 after a review of 11 days - a notably fast clearance cycle.
This device falls under the Chemistry FDA review panel, regulated under 21 CFR 862.1600 - the FDA in vitro diagnostics and chemistry framework. The Traditional 510(k) pathway establishes clearance through substantial equivalence to a legally marketed predicate device, without requiring clinical trial data.
Device pattern: Fast-track predicate clearance. Standard predicate reliance. The short review cycle indicates strong predicate alignment - the FDA found sufficient equivalence without extended technical review.
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