510(k) Report

510(k) · Cleared

Cleared

Rheumagen RF T-Control

K904310510(k) TraditionalCleared May 31, 1991254-day reviewClass II21 CFR 866.5775

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

Biokit USA, Inc. · DHR System, Test, Rheumatoid Factor

Cleared on May 31, 1991 after a 254-day review. FDA has not posted a summary or statement for it, so its predicates are not known.

Decided
May 31, 1991
Review
254 days
Class
Class II
Product code
DHR
Recalls
None
Predicates
0

FDA has not posted a summary or statement for it, so its predicates are not known.

FIG. 1 — Lineage of K904310Source: FDA 510(k) database · 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.

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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?

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.

How does its category compare?

All DHR devices

DHR System, Test, Rheumatoid Factor: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · DHR

1in 2020

2007: 12009: 12010: 12011: 12015: 12016: 12017: 12018: 12019: 12020: 1
2007high 1 (2007) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DHR

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

Recalls per year · DHR

1in 2019

2010: 12011: 32012: 22018: 22019: 1
2007high 3 (2011) · low 0 (2007)2026

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

Adverse event reports per year · DHR

2in 2025

2010: 192011: 4002012: 912018: 12024: 32025: 2
2007high 400 (2011) · low 0 (2007)2025

MAUDE reports naming product code DHR, 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
20080—00
20091—00
20101—119
20111—3400
20120—291
20130—00
20140—00
20151—00
20161—00
20171—00
20181—21
20191—10
20201—00
20210—00
20220—00
20230—00
20240—03
20250—02
20260—0—
Cite this page

510(k) Report. “K904310: Rheumagen RF T-Control.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K904310

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