510(k) · Cleared
ClearedCobas C 501 Tina-Quant HBA1CDX Gen.3 Assay
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Roche Diagnostics Operations · PDJ Hemoglobin A1c Test System
Cleared on Aug 8, 2013 as substantially equivalent to DEN130002 (Roche Diagnostics, 2013) after a 433-day review. Its family tree reaches back 1 generation to 2013. 2 later devices descend from it.
- Decided
- Aug 8, 2013
- Review
- 433 days
- Class
- Class II
- Product code
- PDJ
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 1 generation to DEN130002 (2013). 2 later devices descend from it, 1 citing it directly.
- Root · 1 generation backDEN130002 Tina-Quant HBA1C Gen. 2 Test SystemRoche Diagnostics · 2013
- This deviceK121610 Cobas C 501 Tina-Quant HBA1CDX Gen.3 AssayRoche Diagnostics Operations · 2013
- Descendant · cites it directly · 1 of its ownK180296 Afinion HbA1c DxAlere Technologies AS · 2018 · Recalled
- Descendant · 2 generations on · 0 of its ownK182988 Afinion HbA1c Dx on Afinion 2Alere Technologies AS · 2018 · Recalled
Most influential descendants
Showing 2 of 2 · See allView FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | DEN130002 | Tina-Quant HBA1C Gen. 2 Test System | Roche Diagnostics | 2013 | — |
| 0 (this device) | K121610 | Cobas C 501 Tina-Quant HBA1CDX Gen.3 Assay | Roche Diagnostics Operations | 2013 | — |
| +1 | K180296 | Afinion HbA1c Dx | Alere Technologies AS | 2018 | 1 |
| +2 | K182988 | Afinion HbA1c Dx on Afinion 2 | Alere Technologies AS | 2018 | 1 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2018 | 2 | 0 |
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 PDJ? 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 PDJ device
- #1 K252749 Medconn 8K Glycated Hemoglobin Test Systemscore 11.5 · 4 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | DEN130002 | Tina-Quant HBA1C Gen. 2 Test System Our reading of the summary gave K121291, which is not in FDA’s 510(k) list. The device the summary names is FDA’s De Novo DEN130002, Tina-Quant HBA1C Gen. 2 Test System (Roche Diagnostics), granted May 23, 2013; older De Novo requests were first filed under a 510(k) number, so this links to the grant. | 2013 |
| † | K102914 | TQ HBA1C GEN3 | 2011 |
What descends from it? (2)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K180296 | Afinion HbA1c Dx | 2018 | 1 |
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.
What does this lineage say?
How does its category compare?
All PDJ devicesPDJ Hemoglobin A1c Test System: FDA decisions, review times, recalls and adverse event reports over 20 years. 2013, this device’s year, is highlighted.
FDA decisions per year · PDJ
2in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · PDJ
203in 2018
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · PDJ
1in 2022
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · PDJ
42in 2025
MAUDE reports naming product code PDJ, 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 | 0 | — | 0 | 0 |
| 2010 | 0 | — | 0 | 0 |
| 2011 | 0 | — | 0 | 0 |
| 2012 | 0 | — | 0 | 0 |
| 2013 | 2 | — | 0 | 9 |
| 2014 | 2 | — | 0 | 10 |
| 2015 | 4 | 234 | 0 | 2 |
| 2016 | 2 | — | 1 | 0 |
| 2017 | 3 | 173 | 0 | 1 |
| 2018 | 5 | 203 | 0 | 0 |
| 2019 | 1 | — | 0 | 0 |
| 2020 | 1 | — | 0 | 5 |
| 2021 | 2 | — | 0 | 6 |
| 2022 | 0 | — | 1 | 19 |
| 2023 | 0 | — | 0 | 16 |
| 2024 | 1 | — | 0 | 47 |
| 2025 | 2 | — | 0 | 42 |
| 2026 | 2 | — | 1 | — |
What is it indicated for?
This test is to be used as an aid in diagnosis of diabetes and as an aid in identifying patients who may be at risk for developing diabetes. The cobas c 501 Tina-quant HbA1cDx Gen.3 assay is an in vitro diagnostics reagent system intended for quantitative determination of mmol/mol hemoglobin A1c (IFCC) and % hemoglobin A1c (DCCT/NGSP) in whole blood on the Roche/Hitachi cobas c 501 clinical chemistry analyzer.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K121610 · printed Nov 6, 2026
Cite this page
510(k) Report. “K121610: Cobas C 501 Tina-Quant HBA1CDX Gen.3 Assay.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K121610
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Record history
- FDA decision record loaded May 2, 2026
- Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026