FDA product code · Neurology
Cranial Measurement Software
FDA lists QQO as exempt from 510(k): a device of this type needs no clearance unless one of the limits in 21 CFR 878.9 applies, such as a new intended use or a different fundamental technology. 1 FDA decision since 2021. 510(k) reviews decided 2021–2025 took a median of 90 days (half between 90 and 90). No recall names this code.
Cranial measurement software is intended to be used to calculate and display physical measurements of the head for interpretation by a qualified user in conjunction with other clinical methods.
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly Download the data (CSV)
Twenty years of QQO at a glance: how often FDA decides these devices, how long 510(k) reviews take, how often they are recalled, and how many adverse event reports name the code.
FDA decisions per year · QQO
1in 2021
2026 to Oct 25, outlined.
Median 510(k) review, days · QQO
Too few QQO 510(k)s in any year since 2007 to give a median.
Recalls per year · QQO
No recall names QQO since 2007.
Adverse event reports per year · QQO
No MAUDE report names QQO 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 | 1 | — | 0 | 0 |
| 2022 | 0 | — | 0 | 0 |
| 2023 | 0 | — | 0 | 0 |
| 2024 | 0 | — | 0 | 0 |
| 2025 | 0 | — | 0 | 0 |
| 2026 | 0 | — | 0 | — |
Planning a device in QQO? A 510(k) Report ranks candidate predicates in this code by lineage, citations and recall history, with the review-time outlook.
See the 510(k) ReportRelated product codes
Other codes under 21 CFR 878.4800.