510(k) Report

510(k) · Cleared

Cleared

Toxo Elisa Test System

K891781510(k) TraditionalCleared Jul 14, 1989112-day reviewClass II21 CFR 866.3780

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

Zeus Scientific, Inc. · LGD Enzyme Linked Immunoabsorbent Assay, Toxoplasma Gondii

Cleared on Jul 14, 1989 after a 112-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 1 later device descends from it.

Decided
Jul 14, 1989
Review
112 days
Class
Class II
Product code
LGD
Recalls
None
Predicates
0

1 later device descends from it, 1 citing it directly.

Descendants, by year cleared 2010: 1 descendant cleared1990200020102020
  1. This deviceK891781 Toxo Elisa Test SystemZeus Scientific, Inc. · 1989
  2. Descendant · cites it directly · 0 of its ownK093784 Athena Multi-Lyte Torch Igg Plus Test SystemZeus Scientific, Inc. · 2010

Most influential descendants

Showing 1 of 1 · See all
  • K093784Athena Multi-Lyte Torch Igg Plus Test SystemZeus Scientific, Inc. · 2010 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K891781Toxo Elisa Test SystemZeus Scientific, Inc.1989—
+1K093784Athena Multi-Lyte Torch Igg Plus Test SystemZeus Scientific, Inc.2010—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201010
FIG. 1 — Lineage of K891781, 1989–2010Source: 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), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in LGD? 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 LGD device

  1. #1 K242022 Access Toxo IgGscore 9.7 · 3 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

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? (1)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K093784Athena Multi-Lyte Torch Igg Plus Test SystemZeus Scientific, Inc.20100

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?

  • Of its descendants, K093784 (Zeus Scientific, Inc., 2010) has gone furthest, with 0 descendants of its own.

How does its category compare?

All LGD devices

LGD Enzyme Linked Immunoabsorbent Assay, Toxoplasma Gondii: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · LGD

1in 2025

2008: 22009: 12011: 22013: 22015: 12017: 12022: 12024: 22025: 1
2007high 2 (2008) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LGD

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

Recalls per year · LGD

1in 2021

2007: 22008: 12010: 12021: 1
2007high 2 (2007) · low 0 (2009)2026

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

Adverse event reports per year · LGD

89in 2025

2007: 42008: 142009: 912010: 712011: 1152012: 752013: 352014: 222015: 1212016: 1402017: 1732018: 1002019: 592020: 872021: 382022: 732023: 1182024: 812025: 89
2007high 173 (2017) · low 4 (2007)2025

MAUDE reports naming product code LGD, 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—24
20082—114
20091—091
20100—171
20112—0115
20120—075
20132—035
20140—022
20151—0121
20160—0140
20171—0173
20180—0100
20190—059
20200—087
20210—138
20221—073
20230—0118
20242—081
20251—089
20260—0—
Cite this page

510(k) Report. “K891781: Toxo Elisa Test System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K891781

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