510(k) · Cleared
ClearedAccess Testosterone Reagents for Use on the Access Immunoassay Analyzer, Models 33560, 33565
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Beckman Coulter, Inc. · CDZ Radioimmunoassay, Testosterones And Dihydrotestosterone
Cleared on Aug 22, 2000 after a 57-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 1 later device descends from it.
- Decided
- Aug 22, 2000
- Review
- 57 days
- Class
- Class I
- Product code
- CDZ
- Recalls
- None
- Predicates
- 0
1 later device descends from it, 1 citing it directly.
- This deviceK001935 Access Testosterone Reagents for Use on the Access Immunoassay…Beckman Coulter, Inc. · 2000
- Descendant · cites it directly · 0 of its ownK223405 Access TestosteroneBeckman Coulter, Inc. · 2023 · Recalled
Most influential descendants
Showing 1 of 1 · See all- K223405Access TestosteroneBeckman Coulter, Inc. · 2023 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K001935 | Access Testosterone Reagents for Use on the Access Immunoassay Analyzer… | Beckman Coulter, Inc. | 2000 | — |
| +1 | K223405 | Access Testosterone | Beckman Coulter, Inc. | 2023 | 1 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2023 | 1 | 0 |
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 CDZ? 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 CDZ device
- #1 K252728 IDS-iSYS Total Testosteronescore 11.8 · 3 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 has not posted a summary or statement for it, so its predicates are not known.
What descends from it? (1)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K223405 | Access Testosterone | 2023 | 0 |
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?
- Of its descendants, K223405 (Beckman Coulter, Inc., 2023) has gone furthest, with 0 descendants of its own.
How does its category compare?
All CDZ devicesCDZ Radioimmunoassay, Testosterones And Dihydrotestosterone: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · CDZ
2in 2024
2026 to Oct 25, outlined.
Median 510(k) review, days · CDZ
141in 2019
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · CDZ
1in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · CDZ
17in 2025
MAUDE reports naming product code CDZ, 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 | 1 | — | 0 | 6 |
| 2008 | 0 | — | 0 | 3 |
| 2009 | 1 | — | 0 | 1 |
| 2010 | 2 | — | 1 | 1 |
| 2011 | 2 | — | 0 | 19 |
| 2012 | 1 | — | 0 | 9 |
| 2013 | 1 | — | 1 | 7 |
| 2014 | 1 | — | 0 | 10 |
| 2015 | 2 | — | 0 | 7 |
| 2016 | 4 | 276 | 0 | 5 |
| 2017 | 0 | — | 0 | 12 |
| 2018 | 1 | — | 1 | 5 |
| 2019 | 4 | 141 | 0 | 3 |
| 2020 | 1 | — | 0 | 12 |
| 2021 | 0 | — | 0 | 7 |
| 2022 | 1 | — | 1 | 3 |
| 2023 | 1 | — | 0 | 10 |
| 2024 | 2 | — | 1 | 11 |
| 2025 | 0 | — | 1 | 17 |
| 2026 | 1 | — | 1 | — |
https://510kreport.com/device/K001935 · printed Nov 6, 2026
Cite this page
510(k) Report. “K001935: Access Testosterone Reagents for Use on the Access Immunoassay Analyzer, Models 33560, 33565.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K001935
Report an extraction error
Are you the manufacturer?
Record history
- FDA decision record loaded May 2, 2026
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026