K984520 is an FDA 510(k) clearance for the NICHOLS ADVANTAGE CHEMILUMINESCENCE CORTISOL IMMUNOASSAY, MODEL 62-7005. Classified as Radioimmunoassay, Cortisol (product code CGR), Class II - Special Controls.
Submitted by Nichols Institute Diagnostics (San Juan Capistrano, US). The FDA issued a Cleared decision on February 5, 1999 after a review of 46 days - a notably fast clearance cycle.
This device falls under the Chemistry FDA review panel, regulated under 21 CFR 862.1205 - 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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