510(k) · Cleared
ClearedThe Aptus (Automated) Applicaton of the Ena Screen Elisa Test System. an Enzyme Linked Immunosorbent Assay (Elisa) for S
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Zeus Scientific, Inc. · LLL Extractable Antinuclear Antibody, Antigen And Control
Cleared on Nov 18, 1998 after a 54-day review. FDA’s file for it is a 510(k) statement, which names no predicate.
- Decided
- Nov 18, 1998
- Review
- 54 days
- Class
- Class II
- Product code
- LLL
- Recalls
- None
- Predicates
- 0
FDA’s file for it is a 510(k) statement, which names no predicate.
Sources: FDA 510(k) database (decision fields), the FDA 510(k) statement (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 K253817 IDS SS-A/Ro; IDS SS-A/Ro 60 kDa; IDS SS-B/Lascore 12.2 · 2 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against?
FDA’s file for it is a 510(k) statement, which names no predicate.
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 LLL devicesLLL 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
2026 to Oct 25, outlined.
Median 510(k) review, days · LLL
265in 2015
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · LLL
1in 2012
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · LLL
1in 2011
MAUDE reports naming product code LLL, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 0 | — | 0 | 0 |
| 2008 | 1 | — | 1 | 0 |
| 2009 | 0 | — | 0 | 0 |
| 2010 | 1 | — | 0 | 0 |
| 2011 | 1 | — | 1 | 1 |
| 2012 | 0 | — | 1 | 0 |
| 2013 | 2 | — | 0 | 0 |
| 2014 | 0 | — | 0 | 0 |
| 2015 | 3 | 265 | 0 | 0 |
| 2016 | 2 | — | 0 | 0 |
| 2017 | 0 | — | 0 | 0 |
| 2018 | 1 | — | 0 | 0 |
| 2019 | 1 | — | 0 | 0 |
| 2020 | 0 | — | 0 | 0 |
| 2021 | 0 | — | 0 | 0 |
| 2022 | 0 | — | 0 | 0 |
| 2023 | 1 | — | 0 | 0 |
| 2024 | 0 | — | 0 | 0 |
| 2025 | 2 | — | 0 | 0 |
| 2026 | 2 | — | 0 | — |
What is it indicated for?
The presence of autoantibodies to a number of nuclear constituents has proven to be useful in the diagnosis of various connective tissue diseases. Although the exact etiology of autoimmune diseases is unknown, and the specific role played by autoantibodies in the onset of various autoimmune connective tissue diseases is obscure, the association and frequency of detection of these antibodies may play a key role in the diagnostic work-up of patients with…
Read the full statement (114 words)
The presence of autoantibodies to a number of nuclear constituents has proven to be useful in the diagnosis of various connective tissue diseases. Although the exact etiology of autoimmune diseases is unknown, and the specific role played by autoantibodies in the onset of various autoimmune connective tissue diseases is obscure, the association and frequency of detection of these antibodies may play a key role in the diagnostic work-up of patients with suspected connective tissue diseases.
The ENA Screen ELISA test system is intended for the manual or automated analysis of human serum for the presence or absence of IgG antibodies to all six common extractable nuclear antigens (SSA, SSB, Sm, Sm/RNP, Jo-1 and Scl-
Indications for use read by OCR from a scanned FDA 510(k) statement, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K983376 · printed Nov 6, 2026
Cite this page
510(k) Report. “K983376: The Aptus (Automated) Applicaton of the Ena Screen Elisa Test System. an Enzyme Linked Immunosorbent Assay (Elisa) for S.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K983376
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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