Cleared Traditional

CYTO-STAT/COULTER CLONE CD3-ECD/T4-RD1/T8-FITC MONOCLONAL ANTIBOEY REAGENT (K950742) - FDA 510(k) Clearance

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

K950742 · Coulter Corp. · Hematology device
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Aug 1995
Decision
189d
Days
Class 2
Risk

K950742 is an FDA 510(k) clearance for the CYTO-STAT/COULTER CLONE CD3-ECD/T4-RD1/T8-FITC MONOCLONAL ANTIBOEY REAGENT. Classified as Counter, Differential Cell (product code GKZ), Class II - Special Controls.

Submitted by Coulter Corp. (Miami, US). The FDA issued a Cleared decision on August 25, 1995 after a review of 189 days - an extended review cycle.

This device falls under the Hematology FDA review panel, regulated under 21 CFR 864.5220 - 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: Standard predicate-based submission. Standard predicate reliance. This clearance follows a standard predicate-based equivalence path within the Hematology review framework, consistent with the majority of Class II 510(k) submissions.

View all Coulter Corp. devices

Submission Details

510(k) Number K950742 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received February 17, 1995
Decision Date August 25, 1995
Days to Decision 189 days
Submission Type Traditional
Review Panel Hematology (HE)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
76d slower than avg
Panel avg: 113d · This submission: 189d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code GKZ Counter, Differential Cell
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 864.5220
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 - GKZ Counter, Differential Cell

All 379
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