510(k) Report

510(k) · Cleared

Cleared

Diamedix IS-Anti-Dsdna Test System

K994424510(k) TraditionalCleared Feb 18, 200050-day reviewClass II21 CFR 866.5100

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

Diamedix Corp. · LRM Anti-Dna Antibody (Enzyme-Labeled), Antigen, Control

Cleared on Feb 18, 2000 after a 50-day review. The FDA summary names its predicate without a number.

Decided
Feb 18, 2000
Review
50 days
Class
Class II
Product code
LRM
Recalls
None
Predicates
0

The FDA summary names its predicate without a number.

FIG. 1 — Lineage of K994424Source: 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), 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.

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  • Candidate predicates for a device like this, rankedin the report
  • Recall history across each candidate’s familyin 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
*—Enzyme Immunoassay Anti-dsDNA Test
Named without a submission number
—

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 LRM devices

LRM Anti-Dna Antibody (Enzyme-Labeled), Antigen, Control: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · LRM

1in 2010

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

2026 to Oct 25, outlined.

Median 510(k) review, days · LRM

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

Recalls per year · LRM

2in 2010

2008: 12010: 2
2007high 2 (2010) · low 0 (2007)2026

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

Adverse event reports per year · LRM

1in 2013

2007: 152008: 282009: 22013: 1
2007high 28 (2008) · low 0 (2010)2025

MAUDE reports naming product code LRM, 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—015
20080—128
20091—02
20101—20
20110—00
20120—00
20130—01
20140—00
20150—00
20160—00
20170—00
20180—00
20190—00
20200—00
20210—00
20220—00
20230—00
20240—00
20250—00
20260—0—

What is it indicated for?

The Diamedix Is-anti-dsDNA an Enzyme Immunoassay (EIA) for the quantitative detection of IgG antibodies to double-stranded (ds) DNA in human serum as an aid in the diagnosis of systemic lupus erythematosus (SLE). These reagents can be used either manually or in conjunction with the MAGO® Plus Automated EIA Processor.

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. “K994424: Diamedix IS-Anti-Dsdna 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/K994424

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Page last updated Nov 3, 2026