Cleared Traditional

K900684 - RDW AND MPV INDICES ON HEMAT 12

K900684 is the FDA 510(k) clearance for RDW AND MPV INDICES ON HEMAT 12 by Texas Intl. Laboratories, Inc.. It is a Class 2 Hematology device (product code GKZ) cleared through the Traditional 510(k) pathway after a 63-day FDA review.

K900684 · Texas Intl. Laboratories, Inc. · Hematology device
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Apr 1990
Decision
63d
Days
Class 2
Risk

K900684 is an FDA 510(k) clearance for the RDW AND MPV INDICES ON HEMAT 12. Classified as Counter, Differential Cell (product code GKZ), Class II - Special Controls.

Submitted by Texas Intl. Laboratories, Inc. (Needham, US). The FDA issued a Cleared decision on April 16, 1990 after a review of 63 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 Texas Intl. Laboratories, Inc. devices

Submission Details

510(k) Number K900684 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received February 12, 1990
Decision Date April 16, 1990
Days to Decision 63 days
Submission Type Traditional
Review Panel Hematology (HE)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
50d faster than avg
Panel avg: 113d · This submission: 63d
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 194
Devices cleared under the same product code (GKZ) and FDA review panel - the closest regulatory comparables to K900684.
SIMULTEST T & B CELL TEST,ANTI-LEU-4 FITC & 12 PE
K904209 · Bd Becton Dickinson Vacutainer Systems Preanalytic · Dec 1990
CELL-DYN 1400 MULTI-PARAMETER AUTOMATED HEMATOLOGY
K903665 · Unipath , Ltd. · Oct 1990
ANTI-HUMAN LEU-3A (CD4) FITC
K900802 · Bd Becton Dickinson Vacutainer Systems Preanalytic · May 1990
SIMULTEST IMK PLUS(TM)
K900078 · Bd Becton Dickinson Vacutainer Systems Preanalytic · Apr 1990
COULTER JT3
K896873 · Coulter Corp. · Mar 1990
TECHNICON H*2(TM) SYSTEM
K900593 · Technicon Instruments Corp. · Mar 1990