Cleared Traditional

EMIT QST QUINIDINE ASSAY (K831355) - FDA 510(k) Clearance

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

K831355 · Syva Co. · Toxicology device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Jun 1983
Decision
37d
Days
Class 2
Risk

K831355 is an FDA 510(k) clearance for the EMIT QST QUINIDINE ASSAY. Classified as Enzyme Immunoassay, Quinidine (product code LBZ), Class II - Special Controls.

Submitted by Syva Co. (Mchenry, US). The FDA issued a Cleared decision on June 2, 1983 after a review of 37 days - a notably fast clearance cycle.

This device falls under the Toxicology FDA review panel, regulated under 21 CFR 862.3320 - the FDA toxicology 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 Syva Co. devices

Submission Details

510(k) Number K831355 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received April 26, 1983
Decision Date June 02, 1983
Days to Decision 37 days
Submission Type Traditional
Review Panel Toxicology (TX)
Summary -
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
50d faster than avg
Panel avg: 87d · This submission: 37d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code LBZ Enzyme Immunoassay, Quinidine
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 862.3320
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 Toxicology devices follow this clearance model.

Regulatory Peers - LBZ Enzyme Immunoassay, Quinidine

All 26
Devices cleared under the same product code (LBZ) and FDA review panel - the closest regulatory comparables to K831355.
EMIT 2000 QUINDINE ASSAY QUIDIDINE CALIBRATORS
K922913 · Syva Co. · Aug 1992
EMIT CONVENIENCE PACK, QUINIDINE ASSAY/CALIBRATORS
K904990 · Syva Co. · Feb 1991
TDXR FLECAINIDE
K872175 · Abbott Laboratories · Aug 1987
EMIT QUINIDINE ASSAY
K862214 · Syva Co. · Jun 1986
TDX DISOPYRAMIDE
K842713 · Abbott Laboratories · Aug 1984
EMIT CAD QUINIDINE ASSAY FOR USE W/
K832096 · Syva Co. · Aug 1983