510(k) Report

510(k) · Cleared

Cleared

Zstatflu Test for Influenza Types a and B Viruses

K982429510(k) TraditionalCleared Aug 25, 199843-day reviewClass II21 CFR 866.3328

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

Zymetx, Inc. · PSZ Devices Detecting Influenza A, B, And C Virus Antigens

Cleared on Aug 25, 1998 after a 43-day review. The FDA summary names no predicate by number. 2 later devices descend from it.

Decided
Aug 25, 1998
Review
43 days
Class
Class II
Product code
PSZ
Recalls
None
Predicates
0

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

Descendants, by year cleared 2005: 1 descendant cleared2007: 1 descendant cleared1995200020052010201520202025
  1. This deviceK982429 Zstatflu Test for Influenza Types a and B VirusesZymetx, Inc. · 1998
  2. Descendant · cites it directly · 1 of its ownK041626 Immunocard Stat! Flu a & BMeridian Bioscience, Inc. · 2005
  3. Descendant · 2 generations on · 0 of its ownK071657 Tru FluMeridian Bioscience, Inc. · 2007

Most influential descendants

Showing 2 of 2 · See all
  • K041626Immunocard Stat! Flu a & BMeridian Bioscience, Inc. · 2005 · cites it directly1descendant
  • K071657Tru FluMeridian Bioscience, Inc. · 2007 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K982429Zstatflu Test for Influenza Types a and B VirusesZymetx, Inc.1998—
+1K041626Immunocard Stat! Flu a & BMeridian Bioscience, Inc.2005—
+2K071657Tru FluMeridian Bioscience, Inc.2007—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200510
200710
FIG. 1 — Lineage of K982429, 1998–2007Source: 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 PSZ? 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 PSZ device

  1. #1 K252283 Nano-Check Influenza A+B Testscore 14.9 · 15 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?

The FDA summary names no predicate by number.

What descends from it? (2)

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

NumberDeviceApplicantDecidedDescendants
K041626Immunocard Stat! Flu a & BMeridian Bioscience, Inc.20051

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, K041626 (Meridian Bioscience, Inc., 2005) has gone furthest, with 1 descendant of its own.

How does its category compare?

All PSZ devices

PSZ Devices Detecting Influenza A, B, And C Virus Antigens: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · PSZ

2in 2025

2007: 22008: 12009: 72010: 52011: 32012: 22013: 82014: 12015: 42016: 32017: 32018: 52020: 22023: 22025: 22026 (partial year): 2
2007high 8 (2013) · low 0 (2019)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · PSZ

28in 2018

2009: 20 days median2010: 29 days median2011: 80 days median2013: 28 days median2015: 27 days median2016: 29 days median2017: 200 days median2018: 28 days median
2007high 200 (2017) · low 20 (2009)2026

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

Recalls per year · PSZ

1in 2022

2020: 12022: 1
2007high 1 (2020) · low 0 (2007)2026

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

Adverse event reports per year · PSZ

60in 2025

2018: 12019: 12020: 52021: 422022: 102023: 122024: 162025: 60
2007high 60 (2025) · low 0 (2007)2025

MAUDE reports naming product code PSZ, 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
20072—00
20081—00
200972000
201052900
201138000
20122—00
201382800
20141—00
201542700
201632900
2017320000
201852801
20190—01
20202—15
20210—042
20220—110
20232—012
20240—016
20252—060
20262—0—

What is it indicated for?

The ZstatFlu® Test for Influenza Type A and B Viruses is an endogenous viral-encoded enzyme assay (EVEA) and is intended for use in the qualitative determination of influenza types A and B from throat swab specimens. The ZstatFlu® Test for Influenza Type A and B Viruses is not intended for the detection of influenza C. This test is indicated for the direct testing of patients presenting with influenza-like illnesses.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K982429: Zstatflu Test for Influenza Types a and B Viruses.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K982429

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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