510(k) Report

510(k) · Cleared

Cleared

Multigent Hemoglobin A1C (Reagents), HB A1C Calibrators and HB A1C Controls

K033674510(k) TraditionalCleared Feb 9, 200477-day reviewClass II21 CFR 864.7470

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

Seradyn, Inc. · LCP Assay, Glycosylated Hemoglobin

Cleared on Feb 9, 2004 as substantially equivalent to K011434 (Tosoh Medics, Inc., 2001) after a 77-day review. Its family tree reaches back 2 generations to 1997.

Decided
Feb 9, 2004
Review
77 days
Class
Class II
Product code
LCP
Recalls
None
Predicates
1

Its longest line of descent runs back 2 generations to K972265 (1997). No later device cites it as a predicate yet.

  1. Root · 2 generations backK972265 A1C 2.2 Plus - Automated Glycohemoglobin AnalyzerTosoh Medics, Inc. · 1997
  2. 1 generation backK011434 G7 Automated HPLC AnalyzerTosoh Medics, Inc. · 2001 · Recalled
  3. This deviceK033674 Multigent Hemoglobin A1C (Reagents), HB A1C Calibrators and HB A1C…Seradyn, Inc. · 2004
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K972265A1C 2.2 Plus - Automated Glycohemoglobin AnalyzerTosoh Medics, Inc.1997—
−1K011434G7 Automated HPLC AnalyzerTosoh Medics, Inc.20012
0 (this device)K033674Multigent Hemoglobin A1C (Reagents), HB A1C Calibrators and HB A1C ControlsSeradyn, Inc.2004—
FIG. 1 — Lineage of K033674, 1997–2004Source: 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 LCP? 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 LCP device

  1. #1 K221326 Nova Allegro HbA1c Assay, Nova Allegro Analyzerscore 9.6 · 5 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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What was it cleared against? (1)

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
*K011434G7 Automated HPLC AnalyzerTosoh Medics, Inc.20012

Also cleared against K011434: 4 other devices →

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 7 years and passes through 2 companies; a new generation was cleared every 4.0 years on median.
  • 1 of the 2 ancestors has a recall of any class.
  • 4 other devices also cite its predicate K011434.

How does its category compare?

All LCP devices

LCP Assay, Glycosylated Hemoglobin: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · LCP

1in 2024

2007: 72008: 52009: 62010: 22011: 102012: 92013: 22014: 82015: 32016: 22017: 52018: 22019: 42020: 12023: 22024: 1
2007high 10 (2011) · low 0 (2021)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LCP

269in 2019

2007: 133 days median2008: 206 days median2009: 158 days median2011: 176 days median2012: 143 days median2014: 127 days median2015: 239 days median2017: 218 days median2019: 269 days median
2007high 269 (2019) · low 127 (2014)2026

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

Recalls per year · LCP

1in 2025

2007: 12008: 32009: 62010: 52011: 512013: 42014: 22015: 22016: 62017: 12018: 12022: 12024: 12025: 1
2007high 51 (2011) · low 0 (2012)2026

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

Adverse event reports per year · LCP

22in 2025

2007: 52008: 112009: 152010: 42011: 272012: 512013: 1932014: 1822015: 642016: 292017: 1492018: 1,9112019: 1142020: 132021: 72022: 82023: 272024: 392025: 22
2007high 1,911 (2018) · low 4 (2010)2025

MAUDE reports naming product code LCP, 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
2007713315
20085206311
20096158615
20102—54
2011101765127
20129143051
20132—4193
201481272182
20153239264
20162—629
201752181149
20182—11,911
201942690114
20201—013
20210—07
20220—18
20232—027
20241—139
20250—122
20260—0—

What is it indicated for?

The MULTIGENT Hb A1c assay is used in clinical laboratories for the quantitative in vitro measurement of percent Hb A1c (hemoglobin fraction) in human whole blood on the AEROSET® System and ARCHITECT® c8000™ System. The Hb A1c assay is intended to aid in the monitoring of long-term blood glucose control and compliance in individuals with diabetes mellitus. The MULTIGENT Hb A1c assay is not intended for use in diagnosing diabetes mellitus. The MULTIGENT…

Read the full statement (139 words)

The MULTIGENT Hb A1c assay is used in clinical laboratories for the quantitative in vitro measurement of percent Hb A1c (hemoglobin fraction) in human whole blood on the AEROSET® System and ARCHITECT® c8000™ System. The Hb A1c assay is intended to aid in the monitoring of long-term blood glucose control and compliance in individuals with diabetes mellitus. The MULTIGENT Hb A1c assay is not intended for use in diagnosing diabetes mellitus.

The MULTIGENT Hb A1c Calibrators are intended for in vitro diagnostic use with the AEROSET® System and the ARCHITECT® c8000™ System for the calibration of the assays in the MULTIGENT Hb A1c Reagent Kit.

The MULTIGENT Hb A1c Controls are intended for in vitro diagnostic use with the AEROSET® System and the ARCHITECT® c8000™ System for quality control of the assays in the MULTIGENT Hb A1c Reagent Kit.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K033674: Multigent Hemoglobin A1C (Reagents), HB A1C Calibrators and HB A1C Controls.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 3, 2026. https://510kreport.com/device/K033674

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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