510(k) Report

510(k) · Cleared

Cleared

Modification to Sensititre Yeastone Mic Susceptibility Test

K991810510(k) TraditionalCleared Oct 9, 2001866-day reviewClass II21 CFR 866.1640

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

Trek Diagnostic Systems, Inc. · NGZ Susceptibility Test Plate, Antifungal

Cleared on Oct 9, 2001 after an 866-day review. FDA’s file for it is a 510(k) statement, which names no predicate. 2 later devices descend from it.

Decided
Oct 9, 2001
Review
866 days
Class
Class II
Product code
NGZ
Recalls
None
Predicates
0

2 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 2006: 1 descendant cleared2010: 1 descendant cleared200020052010201520202025
  1. This deviceK991810 Modification to Sensititre Yeastone Mic Susceptibility TestTrek Diagnostic Systems, Inc. · 2001
  2. Descendant · cites it directly · 1 of its ownK061945 Vitek 2 Ast-YS FluconazolebioMerieux, Inc. · 2006
  3. Descendant · 2 generations on · 0 of its ownK101566 Vitek 2 Yeast CaspofunginbioMerieux, Inc. · 2010

Most influential descendants

Showing 2 of 2 · See all
  • K061945Vitek 2 Ast-YS FluconazolebioMerieux, Inc. · 2006 · cites it directly1descendant
  • K101566Vitek 2 Yeast CaspofunginbioMerieux, Inc. · 2010 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K991810Modification to Sensititre Yeastone Mic Susceptibility TestTrek Diagnostic Systems, Inc.2001—
+1K061945Vitek 2 Ast-YS FluconazolebioMerieux, Inc.2006—
+2K101566Vitek 2 Yeast CaspofunginbioMerieux, Inc.2010—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200610
201010
FIG. 1 — Lineage of K991810, 2001–2010Source: 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 510(k) statement (indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in NGZ? 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 NGZ device

  1. #1 K232963 VITEK 2 AST-Yeast Anidulafungin (<= 0.015 - >=…score 8.4 · 4 generations · no Class I recall
  2. #2 Held for the reportin the report
Get a 510(k) Report

What was it cleared against?

FDA’s file for it is a 510(k) statement, which names no predicate.

What descends from it? (2)

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

NumberDeviceApplicantDecidedDescendants
K061945Vitek 2 Ast-YS FluconazolebioMerieux, Inc.20061

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, K061945 (bioMerieux, Inc., 2006) has gone furthest, with 1 descendant of its own.

How does its category compare?

All NGZ devices

NGZ Susceptibility Test Plate, Antifungal: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · NGZ

1in 2025

2009: 32010: 22014: 32016: 22018: 12021: 12023: 32024: 22025: 1
2007high 3 (2009) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · NGZ

204in 2023

2009: 326 days median2014: 232 days median2023: 204 days median
2007high 326 (2009) · low 204 (2023)2026

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

Recalls per year · NGZ

2in 2022

2022: 2
2007high 2 (2022) · low 0 (2007)2026

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

Adverse event reports per year · NGZ

1in 2024

2011: 12014: 12015: 12016: 92017: 162018: 102021: 82022: 32023: 32024: 1
2007high 16 (2017) · low 0 (2007)2025

MAUDE reports naming product code NGZ, 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
2009332600
20102—00
20110—01
20120—00
20130—00
2014323201
20150—01
20162—09
20170—016
20181—010
20190—00
20200—00
20211—08
20220—23
2023320403
20242—01
20251—00
20260—0—

What is it indicated for?

The Sensititre® YeastOne™ MIC Susceptibility plate is an ir vitro diagnostic product for determining the clinical susceptibility of Candida species.

This 510(k) is for this MIC only panel, the antifungal agents at concentrations listed as follows:

Antifungal Agent Dilution Range

Fluconazole 0.125 - 256

Itraconazole 0.008-16

S-Flucytosine 0.03 - 64

Organisms with indications for testing include non-fastidious yeast isolates of Candida species.

Indications for use read by OCR from a scanned FDA 510(k) statement, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K991810: Modification to Sensititre Yeastone Mic Susceptibility Test.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K991810

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