510(k) · Cleared
ClearedOpticoat T4 Eia Kit
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Biotecx Laboratories, Inc. · KLI Enzyme Immunoassay, Non-Radiolabeled, Total Thyroxine
Cleared on Feb 3, 1999 after a 217-day review. FDA’s file for it is a 510(k) statement, which names no predicate.
- Decided
- Feb 3, 1999
- Review
- 217 days
- Class
- Class II
- Product code
- KLI
- 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 KLI? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.
- Candidate predicates for a device like this, rankedin the report
- Recall history across each candidate’s familyin 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 KLI devicesKLI Enzyme Immunoassay, Non-Radiolabeled, Total Thyroxine: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · KLI
1in 2016
2026 to Oct 25, outlined.
Median 510(k) review, days · KLI
Too few KLI 510(k)s in any year since 2007 to give a median.
Recalls per year · KLI
2in 2021
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · KLI
3in 2021
MAUDE reports naming product code KLI, 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 | 0 | — | 0 | 0 |
| 2009 | 1 | — | 0 | 0 |
| 2010 | 0 | — | 1 | 3 |
| 2011 | 1 | — | 1 | 7 |
| 2012 | 0 | — | 0 | 2 |
| 2013 | 1 | — | 0 | 0 |
| 2014 | 0 | — | 0 | 5 |
| 2015 | 0 | — | 0 | 0 |
| 2016 | 1 | — | 0 | 0 |
| 2017 | 0 | — | 0 | 0 |
| 2018 | 0 | — | 0 | 3 |
| 2019 | 0 | — | 0 | 1 |
| 2020 | 0 | — | 0 | 0 |
| 2021 | 0 | — | 2 | 3 |
| 2022 | 0 | — | 0 | 0 |
| 2023 | 0 | — | 0 | 0 |
| 2024 | 0 | — | 0 | 0 |
| 2025 | 0 | — | 0 | 0 |
| 2026 | 0 | — | 1 | — |
What is it indicated for?
A total thyroxine test system is a device intended to measure total (free and protein bound) thyroxine (thyroid hormone) in serum. Measurements obtained by this device are used in the diagnosis and treatment of thyroid diseases.
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/K982298 · printed Nov 5, 2026
Cite this page
510(k) Report. “K982298: Opticoat T4 Eia Kit.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K982298
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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