K860721 is an FDA 510(k) clearance for the BIOTRACK PROTIME TEST PROTHROMBIN TIME TEST. Classified as Test, Time, Prothrombin (product code GJS), Class II - Special Controls.
Submitted by Biotrack, Inc. (Sunnyvale, US). The FDA issued a Cleared decision on May 23, 1986 after a review of 86 days - a notably fast clearance cycle.
This device falls under the Hematology FDA review panel, regulated under 21 CFR 864.7750 - the FDA hematology 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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