Cleared Traditional

K842104 - TOYO JOZO G-GTP TEST

K842104 is the FDA 510(k) clearance for TOYO JOZO G-GTP TEST by Advocacy International, Ltd.. It is a Class 1 Chemistry device (product code JPZ) cleared through the Traditional 510(k) pathway after a 77-day FDA review.

K842104 · Advocacy International, Ltd. · Chemistry device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Aug 1984
Decision
77d
Days
Class 1
Risk

K842104 is an FDA 510(k) clearance for the TOYO JOZO G-GTP TEST. Classified as Colorimetric Method, Gamma-glutamyl Transpeptidase (product code JPZ), Class I - General Controls.

Submitted by Advocacy International, Ltd. (Washington, US). The FDA issued a Cleared decision on August 10, 1984 after a review of 77 days - a notably fast clearance cycle.

This device falls under the Chemistry FDA review panel, regulated under 21 CFR 862.1360 - the FDA in vitro diagnostics and chemistry 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 Advocacy International, Ltd. devices

Submission Details

510(k) Number K842104 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received May 25, 1984
Decision Date August 10, 1984
Days to Decision 77 days
Submission Type Traditional
Review Panel Chemistry (CH)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
11d faster than avg
Panel avg: 88d · This submission: 77d
Pathway characteristics
Predicate-based equivalence.

Device Classification

Product Code JPZ Colorimetric Method, Gamma-glutamyl Transpeptidase
Device Class Class 1 - General Controls
CFR Regulation 21 CFR 862.1360
What this classification means

Class I devices are subject to general controls only and most are exempt from 510(k) premarket notification. They represent the lowest regulatory burden in the FDA device framework.

Regulatory Peers - JPZ Colorimetric Method, Gamma-glutamyl Transpeptidase

All 21
Devices cleared under the same product code (JPZ) and FDA review panel - the closest regulatory comparables to K842104.
G.T. (GAMMA-GLUTAMYL TRANSFERASE) REAGENT
K860723 · Trace Scientific , Ltd. · Apr 1986
GAMMA GLUTAMYL TRANSPEPTIDASE (GGTP) REAGENT SET
K860348 · Sterling Diagnostics, Inc. · Mar 1986
GLUTAMYLTRANSFERASE ASSAY KIT
K850788 · Diagnostic Chemicals, Ltd. (Usa) · Mar 1985
WAKO R-GTP C-TEST
K831639 · Wako Chemicals USA, Inc. · Jul 1983
RAICHEM & GT REAGENT
K823090 · Reagents Applications, Inc. · Nov 1982
GILCHEM Y-GT REAGENT
K822149 · Gilford Diagnostics · Aug 1982