Cleared Traditional

CK-NAC REAGENT (K834502) - FDA 510(k) Clearance

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

K834502 · Roche Diagnostic Systems, Inc. · Chemistry device
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Feb 1984
Decision
68d
Days
Class 2
Risk

K834502 is an FDA 510(k) clearance for the CK-NAC REAGENT. Classified as Nad Reduction/nadh Oxidation, Cpk Or Isoenzymes (product code CGS), Class II - Special Controls.

Submitted by Roche Diagnostic Systems, Inc. (Mchenry, US). The FDA issued a Cleared decision on February 27, 1984 after a review of 68 days - a notably fast clearance cycle.

This device falls under the Chemistry FDA review panel, regulated under 21 CFR 862.1215 - 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 Roche Diagnostic Systems, Inc. devices

Submission Details

510(k) Number K834502 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received December 21, 1983
Decision Date February 27, 1984
Days to Decision 68 days
Submission Type Traditional
Review Panel Chemistry (CH)
Summary -
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
20d faster than avg
Panel avg: 88d · This submission: 68d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code CGS Nad Reduction/nadh Oxidation, Cpk Or Isoenzymes
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 862.1215
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 Chemistry devices follow this clearance model.

Regulatory Peers - CGS Nad Reduction/nadh Oxidation, Cpk Or Isoenzymes

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