Cleared Traditional

CBC-LASER(R) HEMATOLOGY CONTROL/MULTIPLE-MODIFIED (K904464) - FDA 510(k) Clearance

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

K904464 · R&D Systems, Inc. · Hematology device
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Oct 1990
Decision
22d
Days
Class 2
Risk

K904464 is an FDA 510(k) clearance for the CBC-LASER(R) HEMATOLOGY CONTROL/MULTIPLE-MODIFIED. Classified as Mixture, Hematology Quality Control (product code JPK), Class II - Special Controls.

Submitted by R&D Systems, Inc. (Minneapolis, US). The FDA issued a Cleared decision on October 23, 1990 after a review of 22 days - a notably fast clearance cycle.

This device falls under the Hematology FDA review panel, regulated under 21 CFR 864.8625 - 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 R&D Systems, Inc. devices

Submission Details

510(k) Number K904464 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received October 01, 1990
Decision Date October 23, 1990
Days to Decision 22 days
Submission Type Traditional
Review Panel Hematology (HE)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
91d faster than avg
Panel avg: 113d · This submission: 22d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code JPK Mixture, Hematology Quality Control
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 864.8625
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.

Regulatory Peers - JPK Mixture, Hematology Quality Control

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