510(k) Report

510(k) · Cleared

Cleared

Usdt Flow Immunoassay System, Model 9000

K931227510(k) TraditionalCleared May 6, 199357-day reviewClass I21 CFR 862.2260

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

U.S. Drug Testing, Inc. · KZR Chromatography (Liquid, Gel), Clinical Use

Cleared on May 6, 1993 after a 57-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.

Decided
May 6, 1993
Review
57 days
Class
Class I
Product code
KZR
Recalls
None
Predicates
0

FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.

FIG. 1 — Lineage of K931227Source: 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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What was it cleared against?

FDA lists a 510(k) statement for it but has not posted the file, 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 KZR devices

KZR Chromatography (Liquid, Gel), Clinical Use: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · KZR

FDA has decided no KZR device since 2007.

Median 510(k) review, days · KZR

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

Recalls per year · KZR

No recall names KZR since 2007.

Adverse event reports per year · KZR

No MAUDE report names KZR since 2007.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20080—00
20090—00
20100—00
20110—00
20120—00
20130—00
20140—00
20150—00
20160—00
20170—00
20180—00
20190—00
20200—00
20210—00
20220—00
20230—00
20240—00
20250—00
20260—0—
Cite this page

510(k) Report. “K931227: Usdt Flow Immunoassay System, Model 9000.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K931227

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