Cleared Traditional

K903333 - CREATINE KINASE TEST (CK) ITEM NUMBER 65411 (FDA 510(k) Clearance)

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

K903333 · Em Diagnostic Systems, Inc. · Chemistry device
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Aug 1990
Decision
23d
Days
Class 2
Risk

K903333 is an FDA 510(k) clearance for the CREATINE KINASE TEST (CK) ITEM NUMBER 65411. Classified as Nad Reduction/nadh Oxidation, Cpk Or Isoenzymes (product code CGS), Class II - Special Controls.

Submitted by Em Diagnostic Systems, Inc. (Gibbstown, US). The FDA issued a Cleared decision on August 17, 1990 after a review of 23 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 Em Diagnostic Systems, Inc. devices

Submission Details

510(k) Number K903333 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received July 25, 1990
Decision Date August 17, 1990
Days to Decision 23 days
Submission Type Traditional
Review Panel Chemistry (CH)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
65d faster than avg
Panel avg: 88d · This submission: 23d
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.