Cleared Traditional

K991070 - COULTER Z2 ANALYZER

K991070 is the FDA 510(k) clearance for COULTER Z2 ANALYZER by Coulter Corp.. It is a Class 2 Hematology device (product code GKL) cleared through the Traditional 510(k) pathway after a 41-day FDA review.

Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
May 1999
Decision
41d
Days
Class 2
Risk

K991070 is an FDA 510(k) clearance for the COULTER Z2 ANALYZER. Classified as Counter, Cell, Automated (particle Counter) (product code GKL), Class II - Special Controls.

Submitted by Coulter Corp. (Hialeah, US). The FDA issued a Cleared decision on May 11, 1999 after a review of 41 days - a notably fast clearance cycle.

This device falls under the Hematology FDA review panel, regulated under 21 CFR 864.5200 - 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 K991070 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received March 31, 1999
Decision Date May 11, 1999
Days to Decision 41 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
72d faster than avg
Panel avg: 113d · This submission: 41d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code GKL Counter, Cell, Automated (particle Counter)
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 864.5200
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 - GKL Counter, Cell, Automated (particle Counter)

All 52
Devices cleared under the same product code (GKL) and FDA review panel - the closest regulatory comparables to K991070.
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