510(k) Report

510(k) · Cleared

Cleared

K-Assay C3

K993437510(k) TraditionalCleared Nov 24, 199943-day reviewClass II21 CFR 866.5240

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Kamiya Biomedical Co. · CZW Complement C3, Antigen, Antiserum, Control

Cleared on Nov 24, 1999 after a 43-day review. FDA’s file for it is a 510(k) statement, which names no predicate.

Decided
Nov 24, 1999
Review
43 days
Class
Class II
Product code
CZW
Recalls
None
Predicates
0

FDA’s file for it is a 510(k) statement, which names no predicate.

FIG. 1 — Lineage of K993437Source: FDA 510(k) database · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA 510(k) statement (indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

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What was it cleared against?

FDA’s file for it is a 510(k) statement, which names no predicate.

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (0 Class I)

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

How does its category compare?

All CZW devices

CZW Complement C3, Antigen, Antiserum, Control: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · CZW

1in 2010

2007: 12010: 1
2007high 1 (2007) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · CZW

Too few CZW 510(k)s in any year since 2007 to give a median.

Recalls per year · CZW

No recall names CZW since 2007.

Adverse event reports per year · CZW

2in 2024

2019: 12024: 2
2007high 2 (2024) · low 0 (2007)2025

MAUDE reports naming product code CZW, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20071—00
20080—00
20090—00
20101—00
20110—00
20120—00
20130—00
20140—00
20150—00
20160—00
20170—00
20180—00
20190—01
20200—00
20210—00
20220—00
20230—00
20240—02
20250—00
20260—0—

What is it indicated for?

The K-ASSAY Complement C3 Assay is intended to be used for the quantitative determination of Complement C3 in human serum by immunoturbidimetric assay. Complement is a group of serum proteins which destroy infectious agents. Measurement of these proteins aids in the diagnosis of immunological disorders, especially those associated with deficiencies of complement components. FOR IN VITRO DIAGNOSTIC USE.

Indications for use read by OCR from a scanned FDA 510(k) statement, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K993437: K-Assay C3.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K993437

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Page last updated Nov 3, 2026