K222638 is an FDA 510(k) clearance for the Xpert® Xpress GBS, GeneXpert® Dx System, GeneXpert® Infinity Systems. Classified as Nucleic Acid Amplification Assay System, Group B Streptococcus, Direct Specimen Test (product code NJR), Class I - General Controls.
Submitted by Cepheid (Sunnyvale, US). The FDA issued a Cleared decision on September 27, 2023 after a review of 391 days - an unusually long review period, suggesting complex equivalence evaluation.
This device falls under the Microbiology FDA review panel, regulated under 21 CFR 866.3740 - 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. Elevated predicate reliance profile. This clearance follows a standard predicate-based equivalence path within the Microbiology review framework, consistent with the majority of Class II 510(k) submissions.
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