510(k) Report

510(k) · Cleared

Cleared

Simplexa C. Difficile Universal Direct

K113433510(k) TraditionalCleared Apr 4, 2012135-day reviewClass I21 CFR 866.2660

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

Focus Diagnostics, Inc. · OMN C. Difficile Nucleic Acid Amplification Test Assay

Cleared on Apr 4, 2012 as substantially equivalent to K110012 (Meridian Bioscience, Inc., 2011) and 1 other predicate after a 135-day review. Its family tree reaches back 5 generations to 1993.

Decided
Apr 4, 2012
Review
135 days
Class
Class I
Product code
OMN
Recalls
None
Predicates
2

Its longest line of descent runs back 5 generations to K923463 (1993). 6 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 5 generations backK923463 Clostridium Difficile Toxin/Antitoxin KitTechlab, Inc. · 1993
  2. 4 generations backK081920 BD Geneohm Cdiff AssayBd Diagnostics (Geneohm Sciences, Inc.) · 2008 · Recalled
  3. 3 generations backK091109 Xpert C. DifficileCepheid · 2009
  4. 2 generations backK100818 Illumigene C. Difficile, Illumipro-10 and Illumigene C. Difficile…Meridian Bioscience, Inc. · 2010
  5. 1 generation backK110012 Illumigene C. Difficile, and Illumipro-10Meridian Bioscience, Inc. · 2011 · Recalled
  6. This deviceK113433 Simplexa C. Difficile Universal DirectFocus Diagnostics, Inc. · 2012
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K923463Clostridium Difficile Toxin/Antitoxin KitTechlab, Inc.1993—
−4K081920BD Geneohm Cdiff AssayBd Diagnostics (Geneohm Sciences, Inc.)20084
−3K091109Xpert C. DifficileCepheid2009—
−2K100818Illumigene C. Difficile, Illumipro-10 and Illumigene C. Difficile External…Meridian Bioscience, Inc.2010—
−1K110012Illumigene C. Difficile, and Illumipro-10Meridian Bioscience, Inc.20112
0 (this device)K113433Simplexa C. Difficile Universal DirectFocus Diagnostics, Inc.2012—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199410
FIG. 1 — Lineage of K113433, 1993–2012Source: FDA 510(k) summaries, read by 510(k) Report · 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 summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in OMN? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

  • Candidate predicates for a device like this, rankedin the report
  • Recall history across each candidate’s familyin the report
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What was it cleared against? (2)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*K110012Illumigene C. Difficile, and Illumipro-10
Summary page 1
…C.difficile nucleic acid Classification Class I Predicate Devices illumigene TM C. difficole (K1 10012) BID Geneahm TM Cdiff (K081920) Intended Use The Focus Diagnostics Simplexa T" C. dif…
Meridian Bioscience, Inc.20112
*K081920BD Geneohm Cdiff Assay
Summary page 1
…Class I Predicate Devices illumigene TM C. difficole (K1 10012) BID Geneahm TM Cdiff (K081920) Intended Use The Focus Diagnostics Simplexa T" C. difficile Universal Direct is a real-time polymerase chain reaction (POR) ass…
Bd Diagnostics (Geneohm Sciences, Inc.)20084

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.

What does this lineage say?

  • The line of descent spans 19 years and passes through 5 companies; a new generation was cleared every 12 months on median.
  • 2 of the 6 ancestors have a recall of any class.

How does its category compare?

All OMN devices

OMN C. Difficile Nucleic Acid Amplification Test Assay: FDA decisions, review times, recalls and adverse event reports over 20 years. 2012, this device’s year, is highlighted.

FDA decisions per year · OMN

1in 2012

2010: 12011: 22012: 1
2007high 2 (2011) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · OMN

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

Recalls per year · OMN

1in 2025

2025: 1
2007high 1 (2025) · low 0 (2007)2026

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

Adverse event reports per year · OMN

No MAUDE report names OMN since 2007.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20080—00
20090—00
20101—00
20112—00
20121—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—10
20260—0—

What is it indicated for?

The Focus Diagnostics SimplexaTM C. dtfficile Universal Direct is a real-time polymerase chain reaction (PCR) assay and is intended for use on the 3M Integrated Cycler instrument for the detection of toiigenic Clostridium dificile toxin B gene (tcdB) in liquid or unformed stool samples from individuals suspected of C. difficile infection. This test aids in the diagnosis of Clostridium difficile associated disease (CDAD).

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K113433: Simplexa C. Difficile Universal Direct.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K113433

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