510(k) Report

510(k) · Cleared

Recalled · Class II · 2012

IS-Anti-SM Test System

K970220510(k) TraditionalCleared Apr 8, 199777-day reviewClass II21 CFR 866.5100Recalls 1

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

Diamedix Corp. · LLL Extractable Antinuclear Antibody, Antigen And Control

Cleared on Apr 8, 1997 after a 77-day review. The FDA summary names its predicate without a number. It has been recalled once.

Decided
Apr 8, 1997
Review
77 days
Class
Class II
Product code
LLL
Recalls
1
Predicates
0

The FDA summary names its predicate without a number.

FIG. 1 — Lineage of K970220Source: 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.

Planning a device in LLL? 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 LLL device

  1. #1 K253817 IDS SS-A/Ro; IDS SS-A/Ro 60 kDa; IDS SS-B/Lascore 12.2 · 2 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
*—Helix Diagnostics Enzyme Immunoassay Anti-Sm Antibody Test Kit
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)

Recalls of this device

DateClassRecallRoot causeReason
Aug 6, 2012Class IIZ-0445-2013Nonconforming Material/ComponentDiamedix Corporation recalled their Is-anti-Sm Test Kit due to the Positive Control recovering high out of specification.

No ancestor or descendant has a Class I recall.

How does its category compare?

All LLL devices

LLL Extractable Antinuclear Antibody, Antigen And Control: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · LLL

2in 2025

2008: 12010: 12011: 12013: 22015: 32016: 22018: 12019: 12023: 12025: 22026 (partial year): 2
2007high 3 (2015) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LLL

265in 2015

2015: 265 days median
2007high 265 (2015)2026

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

Recalls per year · LLL

1in 2012

2008: 12011: 12012: 1
2007high 1 (2008) · low 0 (2007)2026

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

Adverse event reports per year · LLL

1in 2011

2011: 1
2007high 1 (2011) · low 0 (2007)2025

MAUDE reports naming product code LLL, 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
20081—10
20090—00
20101—00
20111—11
20120—10
20132—00
20140—00
2015326500
20162—00
20170—00
20181—00
20191—00
20200—00
20210—00
20220—00
20231—00
20240—00
20252—00
20262—0—

What is it indicated for?

The assay is intended for use in detecting antibodies to Sm antigen in a single human serum sample. The results of the assay are to be used as an aid in the diagnosis of autoimmune disorders.

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. “K970220: IS-Anti-SM Test System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K970220

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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