K191533 is an FDA 510(k) clearance for the ADVIA Centaur Testosterone II (TSTII), ADVIA Centaur SHBG. Classified as Radioimmunoassay, Testosterones And Dihydrotestosterone (product code CDZ), Class I - General Controls.
Submitted by Siemens Healthcare Diagnostics, Inc. (Tarrytown, US). The FDA issued a Cleared decision on August 28, 2019 after a review of 79 days - a notably fast clearance cycle.
This device falls under the Chemistry FDA review panel, regulated under 21 CFR 862.1680 - 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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