510(k) · Cleared
Recalled · Class II · 2014Olympus Cholesterol Reagent
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Olympus Corp. · CHH Enzymatic Esterase--Oxidase, Cholesterol
Cleared on Feb 8, 1993 after a 95-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known. 1 later device descends from it. It has been recalled once.
- Decided
- Feb 8, 1993
- Review
- 95 days
- Class
- Class I
- Product code
- CHH
- Recalls
- 1
- Predicates
- 0
1 later device descends from it, 1 citing it directly.
- This deviceK925603 Olympus Cholesterol ReagentOlympus Corp. · 1993
- Descendant · cites it directly · 0 of its ownK232404 CHOLESTEROL; HDL-cholesterol ; LDL-cholesterol; TRIGLYCERIDESMedicon Hellas S.A · 2024
Most influential descendants
Showing 1 of 1 · See all- K232404CHOLESTEROL; HDL-cholesterol ; LDL-cholesterol; TRIGLYCERIDESMedicon Hellas S.A · 2024 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K925603 | Olympus Cholesterol Reagent | Olympus Corp. | 1993 | — |
| +1 | K232404 | CHOLESTEROL; HDL-cholesterol ; LDL-cholesterol; TRIGLYCERIDES | Medicon Hellas S.A | 2024 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2024 | 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 CHH? 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 CHH device
- #1 K251091 Lipidsscore 10.9 · 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 lists a 510(k) statement for it but has not posted the file, 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 |
|---|---|---|---|
| K232404 | CHOLESTEROL; HDL-cholesterol ; LDL-cholesterol; TRIGLYCERIDES | 2024 | 0 |
Has anything in its family been recalled? (0 Class I)
Recalls of this device
| Date | Class | Recall | Root cause | Reason |
|---|---|---|---|---|
| Dec 15, 2014 | Class II | Z-1025-2015 | Under Investigation by firm | N-Acetyl Cysteine (NAC), when administered in therapeutic concentrations for the treatment of acetaminophen overdose, interferes with the assays for these analytes: Cholesterol OSR6X16, Uric Acid OSR6X98, Lactate OSR6X93, and Lipase… |
No ancestor or descendant has a Class I recall.
What does this lineage say?
- Of its descendants, K232404 (Medicon Hellas S.A, 2024) has gone furthest, with 0 descendants of its own.
How does its category compare?
All CHH devicesCHH Enzymatic Esterase--Oxidase, Cholesterol: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · CHH
1in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · CHH
198in 2012
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · CHH
2in 2021
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · CHH
14in 2025
MAUDE reports naming product code CHH, 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 | 2 | — | 0 | 1 |
| 2008 | 2 | — | 0 | 0 |
| 2009 | 1 | — | 3 | 0 |
| 2010 | 0 | — | 2 | 10 |
| 2011 | 1 | — | 0 | 18 |
| 2012 | 4 | 198 | 0 | 11 |
| 2013 | 1 | — | 1 | 0 |
| 2014 | 1 | — | 1 | 1 |
| 2015 | 1 | — | 0 | 0 |
| 2016 | 1 | — | 2 | 5 |
| 2017 | 1 | — | 0 | 2 |
| 2018 | 2 | — | 0 | 1 |
| 2019 | 1 | — | 0 | 5 |
| 2020 | 0 | — | 0 | 1 |
| 2021 | 0 | — | 2 | 2 |
| 2022 | 1 | — | 0 | 4 |
| 2023 | 0 | — | 0 | 4 |
| 2024 | 1 | — | 0 | 8 |
| 2025 | 1 | — | 0 | 14 |
| 2026 | 0 | — | 1 | — |
https://510kreport.com/device/K925603 · printed Nov 6, 2026
Cite this page
510(k) Report. “K925603: Olympus Cholesterol Reagent.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K925603
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