510(k) Report

510(k) · Cleared

Cleared

King Diagnostics Urea Nitrogen Reagent

K922969510(k) TraditionalCleared Oct 13, 1992116-day reviewClass II21 CFR 862.1770

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

King Diagnostics, Inc. · CDN Urease, Photometric, Urea Nitrogen

Cleared on Oct 13, 1992 after a 116-day review. FDA has not posted a summary or statement for it, so its predicates are not known.

Decided
Oct 13, 1992
Review
116 days
Class
Class II
Product code
CDN
Recalls
None
Predicates
0

FDA has not posted a summary or statement for it, so its predicates are not known.

FIG. 1 — Lineage of K922969Source: 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), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

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  • Recall history across each candidate’s familyin the report
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What was it cleared against?

FDA has not posted a summary or statement for it, so its predicates are not known.

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 CDN devices

CDN Urease, Photometric, Urea Nitrogen: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · CDN

1in 2019

2011: 12012: 12013: 22019: 1
2007high 2 (2013) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · CDN

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

Recalls per year · CDN

1in 2013

2013: 1
2007high 1 (2013) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · CDN

2in 2015

2015: 2
2007high 2 (2015) · low 0 (2007)2025

MAUDE reports naming product code CDN, 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
20070—00
20080—00
20090—00
20100—00
20111—00
20121—00
20132—10
20140—00
20150—02
20160—00
20170—00
20180—00
20191—00
20200—00
20210—00
20220—00
20230—00
20240—00
20250—00
20260—0—
Cite this page

510(k) Report. “K922969: King Diagnostics Urea Nitrogen Reagent.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K922969

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Record history
  • FDA decision record loaded May 2, 2026
  • Page last updated Nov 3, 2026