510(k) · Cleared
Recalled · Class II · 2016Vitros Immunodiagnostics Products Total T4 Reagent Pack (Gem.1005) Total T4 Calibrators (Gem.C005)
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Johnson & Johnson Clinical Diagnostics, Inc. · KLI Enzyme Immunoassay, Non-Radiolabeled, Total Thyroxine
Cleared on Dec 18, 1996 after a 23-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known. It has been recalled 2 times.
- Decided
- Dec 18, 1996
- Review
- 23 days
- Class
- Class II
- Product code
- KLI
- Recalls
- 2
- Predicates
- 0
FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.
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.
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 lists a 510(k) statement for it but has not posted the file, 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)
Recalls of this device
| Date | Class | Recall | Root cause | Reason |
|---|---|---|---|---|
| Jun 2, 2016 | Class II | Z-2302-2016 | Under Investigation by firm | Ortho-Clinical Diagnostics confirmed that sample results generated from VITROS Immunodiagnostic Products Total T4 Reagent Packs may show a negative bias prior to the open pack storage limit of <= 8 weeks that is located in the… |
| Mar 15, 2005 | Not classified | Z-0913-05 | Other | Potential for positively biased results in QC and patient samples. |
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 | — |
https://510kreport.com/device/K964721 · printed Nov 6, 2026
Cite this page
510(k) Report. “K964721: Vitros Immunodiagnostics Products Total T4 Reagent Pack (Gem.1005) Total T4 Calibrators (Gem.C005).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K964721
Report an extraction error
Are you the manufacturer?
Record history
- FDA decision record loaded May 2, 2026
- Page last updated Nov 3, 2026