510(k) Report

510(k) · Cleared

Recalled · 2006

Immunocard Toxins a & B, Model 712050

K041003510(k) TraditionalCleared Aug 20, 2004123-day reviewClass I21 CFR 866.2660Recalls 1

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

Meridian Bioscience, Inc. · LLH Reagents, Clostridium Difficile Toxin

Cleared on Aug 20, 2004 after a 123-day review. The FDA summary names its predicate without a number. 3 later devices descend from it. It has been recalled once.

Decided
Aug 20, 2004
Review
123 days
Class
Class I
Product code
LLH
Recalls
1
Predicates
0

3 later devices descend from it, 3 citing it directly.

Descendants, by year cleared 2021: 1 descendant cleared2005: 1 descendant cleared2009: 1 descendant cleared200020052010201520202025
  1. This deviceK041003 Immunocard Toxins a & B, Model 712050Meridian Bioscience, Inc. · 2004
  2. Descendant · cites it directly · 1 of its ownK050891 Tox a/B Quick ChekTechlab, Inc. · 2005
  3. Descendant · cites it directly · 0 of its ownK193490 SensiTox C. difficile Toxin TestFirst Light Diagnostics, Inc. · 2021
  4. Descendant · cites it directly · 0 of its ownK082499 C. Diff Quik Chek CompleteTechlab, Inc. · 2009

Most influential descendants

Showing 3 of 3 · See all
  • K050891Tox a/B Quick ChekTechlab, Inc. · 2005 · cites it directly1descendant
  • K193490SensiTox C. difficile Toxin TestFirst Light Diagnostics, Inc. · 2021 · cites it directly0descendants
  • K082499C. Diff Quik Chek CompleteTechlab, Inc. · 2009 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K041003Immunocard Toxins a & B, Model 712050Meridian Bioscience, Inc.2004—
+1K050891Tox a/B Quick ChekTechlab, Inc.2005—
+1K193490SensiTox C. difficile Toxin TestFirst Light Diagnostics, Inc.2021—
+1K082499C. Diff Quik Chek CompleteTechlab, Inc.2009—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200510
200910
202110
FIG. 1 — Lineage of K041003, 2004–2021Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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

Top candidate predicates for a new LLH device

  1. #1 K193490 SensiTox C. difficile Toxin Testscore 1.6 · 1 generation · no Class I recall
Get a 510(k) Report

What was it cleared against? (5)

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
*—Premier Toxins A & B
Named without a submission number
—
*—ImmunoCard Toxin A
Named without a submission number
—
*—C. difficile ToxA/B II
Named without a submission number
—
*—Oxoid Clearview C. difficile Toxin A
Named without a submission number
—
*—ColorPAC Toxin A
Named without a submission number
—

What descends from it? (3)

3 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K050891Tox a/B Quick ChekTechlab, Inc.20051
K193490SensiTox C. difficile Toxin TestFirst Light Diagnostics, Inc.20210
K082499C. Diff Quik Chek CompleteTechlab, Inc.20090

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

Recalls of this device

DateClassRecallRoot causeReason
Jun 2, 2006Not classifiedZ-1203-06OtherThe product may produce non-specific reactions with negative specimens and/or the negative control reagent. These non-specific interactions may result in increased invalid test rates and/or positivity rates.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • Of its descendants, K050891 (Techlab, Inc., 2005) has gone furthest, with 1 descendant of its own.

How does its category compare?

All LLH devices

LLH Reagents, Clostridium Difficile Toxin: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · LLH

1in 2021

2007: 12008: 22009: 32010: 12021: 1
2007high 3 (2009) · low 0 (2011)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LLH

84in 2009

2009: 84 days median
2007high 84 (2009)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · LLH

1in 2021

2010: 12012: 22013: 22021: 1
2007high 2 (2012) · low 0 (2007)2026

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

Adverse event reports per year · LLH

1in 2025

2010: 12021: 12022: 12023: 12024: 12025: 1
2007high 1 (2010) · low 0 (2007)2025

MAUDE reports naming product code LLH, 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
20082—00
200938400
20101—11
20110—00
20120—20
20130—20
20140—00
20150—00
20160—00
20170—00
20180—00
20190—00
20200—00
20211—11
20220—01
20230—01
20240—01
20250—01
20260—0—

What is it indicated for?

ImmunoCard Toxins A & B is an in vitro diagnostic qualitative enzyme immunoassay to detect the presence of Clostridium difficile toxins A and B in human stool. The assay is used as an aid in the diagnosis of C. difficile-associated disease.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K041003: Immunocard Toxins a & B, Model 712050.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K041003

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

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