Cleared Special

K233663 - N Antisera to Human Immunoglobulins (IgG, IgA, and IgM) (FDA 510(k) Clearance)

Class II Immunology device cleared through the Special 510(k) pathway - typically does not require clinical trials.

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Dec 2023
Decision
28d
Days
Class 2
Risk

K233663 is an FDA 510(k) clearance for the N Antisera to Human Immunoglobulins (IgG, IgA, and IgM). Classified as Method, Nephelometric, Immunoglobulins (g, A, M) (product code CFN), Class II - Special Controls.

Submitted by Siemens Healthcare Diagnostics Products GmbH (Marburg, DE). The FDA issued a Cleared decision on December 13, 2023 after a review of 28 days - a notably fast clearance cycle.

This device falls under the Immunology FDA review panel, regulated under 21 CFR 866.5510 - the FDA immunology device framework. As a Special 510(k), this submission covers a manufacturer modification to an existing cleared device rather than a new device introduction.

Device pattern: Iterative device modification. Low regulatory complexity profile. This Special 510(k) clearance confirms that the manufacturer's modifications remained within the established regulatory envelope of the original cleared device.

View all Siemens Healthcare Diagnostics Products GmbH devices

Submission Details

510(k) Number K233663 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received November 15, 2023
Decision Date December 13, 2023
Days to Decision 28 days
Submission Type Special
Review Panel Immunology (IM)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
76d faster than avg
Panel avg: 104d · This submission: 28d
Pathway characteristics
Modification to existing cleared device.

Device Classification

Product Code CFN Method, Nephelometric, Immunoglobulins (g, A, M)
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 866.5510
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.