Cleared Traditional

K990352 - COULTER AC T DIFF 2 ANALYZER

K990352 is the FDA 510(k) clearance for COULTER AC T DIFF 2 ANALYZER by Coulter Corp.. It is a Class 2 Hematology device (product code GKZ) cleared through the Traditional 510(k) pathway after a 55-day FDA review.

K990352 · Coulter Corp. · Hematology device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Apr 1999
Decision
55d
Days
Class 2
Risk

K990352 is an FDA 510(k) clearance for the COULTER AC T DIFF 2 ANALYZER. 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 April 1, 1999 after a review of 55 days - a notably fast clearance 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: 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 Coulter Corp. devices

Submission Details

510(k) Number K990352 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received February 05, 1999
Decision Date April 01, 1999
Days to Decision 55 days
Submission Type Traditional
Review Panel Hematology (HE)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
58d faster than avg
Panel avg: 113d · This submission: 55d
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 193
Devices cleared under the same product code (GKZ) and FDA review panel - the closest regulatory comparables to K990352.
MOUSE IGG1 NEGATIVE CONTROLS
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K982167 · Coulter Corp. · Nov 1998
CYTO-STAT TRICHROME CD45-FITC/CD56-RD1/CD3-PC5 MONOCLONAL ANTIBODY REAGENT WITH CYTO-STAT TRICHROME CD45-FITC/MSIGG1-RD1
K982166 · Coulter Corp. · Nov 1998
CYTO-STAT CD3-FITC/CD56-RDI MONOCLONAL ANTIBODY REAGENT WITH CYTO-STAT/COULTER CLONE MSIGGI-RD1/MSIGGI-FITC ISOTYPIC COL
K982172 · Coulter Corp. · Sep 1998