K853021 is an FDA 510(k) clearance for the OPTIMATE DIGOXIN TEST. Classified as Radioimmunoassay, Digoxin (125-i), Rabbit Antibody, Charcoal Sep. (product code DPB), Class II - Special Controls.
Submitted by Miles Laboratories, Inc. (Elkhart, US). The FDA issued a Cleared decision on August 7, 1985 after a review of 20 days - a notably fast clearance cycle.
This device falls under the Toxicology FDA review panel, regulated under 21 CFR 862.3320 - the FDA toxicology 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: 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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