510(k) · Cleared
ClearedCleerly ISCHEMIA
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Cleerly, Inc. · QXZ Adjunctive Epicardial Vascular Physiologic Status Indicator
Cleared on Sep 8, 2023 as substantially equivalent to K222463 (Ultromics Limited, 2022) after a 123-day review. Its family tree reaches back 14 generations to 1997.
- Decided
- Sep 8, 2023
- Review
- 123 days
- Class
- Class II
- Product code
- QXZ
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 14 generations to K962603 (1997). 58 ancestors in all, the oldest K891104 (1989). No later device cites it as a predicate yet.
- Root · 14 generations backK962603 Masimo Set MS-1 Pulse Oximeter & the Lnop Series of Sensors & CablesMasimo Corp. · 1997
- 10 generations between
- 3 generations backK202306 T3 Platform softwareEtiometry, Inc. · 2020
- 2 generations backK213230 T3 Platform SoftwareEtiometry, Inc. · 2022
- 1 generation backK222463 EchoGo Heart FailureUltromics Limited · 2022
- This deviceK231335 Cleerly ISCHEMIACleerly, Inc. · 2023
Show all 14 generations
- Root · 14 generations backK962603 Masimo Set MS-1 Pulse Oximeter & the Lnop Series of Sensors & CablesMasimo Corp. · 1997
- 13 generations backK973887 Masimo Set MS-1P Pulse Oximeter and the Lnop Series of Sensors and…Masimo Corp. · 1998
- 12 generations backK982255 Model 2000 Pulse OximeterIvy Biomedical Systems, Inc. · 1998
- 11 generations backK991823 N-395 Pulse Oximeter, Model N-395Nellcor Puritan Bennett, Inc. · 1999
- 10 generations backK012451 Propaq Encore Models 202, 204, 206; Propaq CS Models 242, 244, 246Welch Allyn Protocol, Inc. · 2001
- 9 generations backK061993 Equivital, Model EQ-01Hidalgo Limited · 2006
- 8 generations backK081140 VisensiaObs Medical · 2008
- 7 generations backK110953 Visensia, Visensia with AlertObs Medical · 2011
- 6 generations backK152258 T3 SoftwareEtiometry, Inc. · 2016
- 5 generations backK163065 T3 SoftwareEtiometry, Inc. · 2017
- 4 generations backK190273 T3 Platform softwareEtiometry, Inc. · 2019
- 3 generations backK202306 T3 Platform softwareEtiometry, Inc. · 2020
- 2 generations backK213230 T3 Platform SoftwareEtiometry, Inc. · 2022
- 1 generation backK222463 EchoGo Heart FailureUltromics Limited · 2022
- This deviceK231335 Cleerly ISCHEMIACleerly, Inc. · 2023
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −14 | K962603 | Masimo Set MS-1 Pulse Oximeter & the Lnop Series of Sensors & Cables | Masimo Corp. | 1997 | — |
| −13 | K973887 | Masimo Set MS-1P Pulse Oximeter and the Lnop Series of Sensors and Cables | Masimo Corp. | 1998 | — |
| −12 | K982255 | Model 2000 Pulse Oximeter | Ivy Biomedical Systems, Inc. | 1998 | — |
| −11 | K991823 | N-395 Pulse Oximeter, Model N-395 | Nellcor Puritan Bennett, Inc. | 1999 | — |
| −10 | K012451 | Propaq Encore Models 202, 204, 206; Propaq CS Models 242, 244, 246 | Welch Allyn Protocol, Inc. | 2001 | — |
| −9 | K061993 | Equivital, Model EQ-01 | Hidalgo Limited | 2006 | — |
| −8 | K081140 | Visensia | Obs Medical | 2008 | — |
| −7 | K110953 | Visensia, Visensia with Alert | Obs Medical | 2011 | — |
| −6 | K152258 | T3 Software | Etiometry, Inc. | 2016 | — |
| −5 | K163065 | T3 Software | Etiometry, Inc. | 2017 | — |
| −4 | K190273 | T3 Platform software | Etiometry, Inc. | 2019 | — |
| −3 | K202306 | T3 Platform software | Etiometry, Inc. | 2020 | — |
| −2 | K213230 | T3 Platform Software | Etiometry, Inc. | 2022 | — |
| −1 | K222463 | EchoGo Heart Failure | Ultromics Limited | 2022 | — |
| 0 (this device) | K231335 | Cleerly ISCHEMIA | Cleerly, Inc. | 2023 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1989 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 0 |
| 2003 | 3 | 0 |
| 2004 | 2 | 0 |
| 2005 | 2 | 0 |
| 2006 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 2 | 0 |
| 2012 | 1 | 0 |
| 2013 | 3 | 0 |
| 2014 | 1 | 0 |
| 2015 | 2 | 0 |
| 2016 | 1 | 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 QXZ? 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? (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 |
|---|---|---|---|
| * | K222463 | EchoGo Heart FailureSummary page 4…atory Class II Product Code QXZ 3. Predicate Device Information Name of Device EchoGo Heart Failure (K222463) Classification Name 21 CFR 870.2200 (Adjunctive Cardiovascular Status Indicator) Regulatory Class II P… | 2022 |
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.
What does this lineage say?
- The line of descent spans 26 years and passes through 9 companies; a new generation was cleared every 1.6 years on median.
- 7 of the 58 ancestors have a recall of any class.
- 4 other devices also cite its predicate K222463.
How does its category compare?
All QXZ devicesQXZ Adjunctive Epicardial Vascular Physiologic Status Indicator: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, this device’s year, is highlighted.
FDA decisions per year · QXZ
1in 2023
2026 to Oct 25, outlined.
Median 510(k) review, days · QXZ
Too few QXZ 510(k)s in any year since 2007 to give a median.
Recalls per year · QXZ
No recall names QXZ since 2007.
Adverse event reports per year · QXZ
No MAUDE report names QXZ since 2007.
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 | 0 | — | 0 | 0 |
| 2014 | 0 | — | 0 | 0 |
| 2015 | 0 | — | 0 | 0 |
| 2016 | 0 | — | 0 | 0 |
| 2017 | 0 | — | 0 | 0 |
| 2018 | 0 | — | 0 | 0 |
| 2019 | 0 | — | 0 | 0 |
| 2020 | 0 | — | 0 | 0 |
| 2021 | 0 | — | 0 | 0 |
| 2022 | 0 | — | 0 | 0 |
| 2023 | 1 | — | 0 | 0 |
| 2024 | 0 | — | 0 | 0 |
| 2025 | 0 | — | 0 | 0 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
Cleerly ISCHEMIA analysis software is an automated machine learning-based decision support tool, indicated as a diagnostic aid for patients undergoing CT analysis using Cleerly Labs software. When utilized by an interpreting healthcare provider, this software tool provides information that may be useful in detecting likely ischemia associated with coronary artery disease. Patient management decisions should not be made solely on the results of the Cleerly ISCHEMIA analysis.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K231335 · printed Nov 5, 2026
Cite this page
510(k) Report. “K231335: Cleerly ISCHEMIA.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K231335
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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