K923463 is an FDA 510(k) clearance for the CLOSTRIDIUM DIFFICILE TOXIN/ANTITOXIN KIT. Classified as Reagents, Clostridium Difficile Toxin (product code LLH), Class I - General Controls.
Submitted by Techlab, Inc. (Washington, US). The FDA issued a Cleared decision on February 1, 1993 after a review of 202 days — an extended review cycle.
This device falls under the Microbiology FDA review panel, regulated under 21 CFR 866.2660 — the FDA microbiology device framework. The Traditional 510(k) pathway establishes clearance through substantial equivalence to a legally marketed predicate device, without requiring clinical trial data.
Device pattern: Standard predicate-based submission. Standard predicate reliance. This clearance follows a standard predicate-based equivalence path within the Microbiology review framework, consistent with the majority of Class II 510(k) submissions.