Cleared Traditional

K091455 - DIAZYME LIQUID STABLE ENZYMATIC POTASSIUM ASSAY KIT, MODEL DZ113C-X, DIAZYME LIQUID STABLE ENZYMATIC POTASSIUM ASSAY CAL (FDA 510(k) Clearance)

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

K091455 · Diazyme Laboratories · Chemistry device
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Aug 2009
Decision
88d
Days
Class 2
Risk

K091455 is an FDA 510(k) clearance for the DIAZYME LIQUID STABLE ENZYMATIC POTASSIUM ASSAY KIT, MODEL DZ113C-X, DIAZYME .... Classified as Test, System, Potassium, Enzymatic Method (product code MZV), Class II - Special Controls.

Submitted by Diazyme Laboratories (Poway, US). The FDA issued a Cleared decision on August 14, 2009 after a review of 88 days - a notably fast clearance cycle.

This device falls under the Chemistry FDA review panel, regulated under 21 CFR 862.1600 - 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 Diazyme Laboratories devices

Submission Details

510(k) Number K091455 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received May 18, 2009
Decision Date August 14, 2009
Days to Decision 88 days
Submission Type Traditional
Review Panel Chemistry (CH)
Summary Statement
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
At panel average
Panel avg: 88d · This submission: 88d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code MZV Test, System, Potassium, Enzymatic Method
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 862.1600
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.