Cleared Traditional

K840699 - CRP SLIDE TEST KIT (FDA 510(k) Clearance)

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

K840699 · Difco Laboratories, Inc. · Immunology device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Mar 1984
Decision
36d
Days
Class 2
Risk

K840699 is an FDA 510(k) clearance for the CRP SLIDE TEST KIT. Classified as System, Test, C-reactive Protein (product code DCN), Class II - Special Controls.

Submitted by Difco Laboratories, Inc. (Mchenry, US). The FDA issued a Cleared decision on March 23, 1984 after a review of 36 days - a notably fast clearance cycle.

This device falls under the Immunology FDA review panel, regulated under 21 CFR 866.5270 - the FDA immunology 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 Difco Laboratories, Inc. devices

Submission Details

510(k) Number K840699 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received February 16, 1984
Decision Date March 23, 1984
Days to Decision 36 days
Submission Type Traditional
Review Panel Immunology (IM)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
68d faster than avg
Panel avg: 104d · This submission: 36d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code DCN System, Test, C-reactive Protein
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 866.5270
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 Immunology devices follow this clearance model.