Cleared Traditional

K922800 - PLATELET AGGREGATION REAGENTS (FDA 510(k) Clearance)

Class II Hematology device cleared through predicate-based substantial equivalence - typically does not require clinical trials.

K922800 · Chrono-Log Corp. · Hematology device
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Aug 1992
Decision
77d
Days
Class 2
Risk

K922800 is an FDA 510(k) clearance for the PLATELET AGGREGATION REAGENTS. Classified as Reagent, Platelet Aggregation (product code GHR), Class II - Special Controls.

Submitted by Chrono-Log Corp. (Havertown, US). The FDA issued a Cleared decision on August 26, 1992 after a review of 77 days - a notably fast clearance cycle.

This device falls under the Hematology FDA review panel, regulated under 21 CFR 864.5700 - 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.

View all Chrono-Log Corp. devices

Submission Details

510(k) Number K922800 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received June 10, 1992
Decision Date August 26, 1992
Days to Decision 77 days
Submission Type Traditional
Review Panel Hematology (HE)
Summary Statement
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
36d faster than avg
Panel avg: 113d · This submission: 77d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code GHR Reagent, Platelet Aggregation
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 864.5700
What this classification means

Class II devices require demonstration of substantial equivalence to a legally marketed predicate device. This pathway does not require clinical trials - it relies on engineering equivalence and performance data. Most Hematology devices follow this clearance model.