510(k) Report

FDA product code · Radiology

Radiological Image Processing Software For Radiation Therapy

QKBClass II21 CFR 892.2050510(k) required49 decisions since 20180 recalls

49 FDA decisions since 2018. 510(k) reviews decided 2021–2025 took a median of 131 days (half between 94 and 193). No recall names this code. The most-cited predicate is K191928, named by 10 later devices.

To provide semi-automatic or fully-automated radiological image processing and analysis tools for radiation therapy. Software implementing artificial intelligence (AI) including nonadaptive machine learning algorithms trained with clinical and/or artificial radiological images. In these devices, the algorithm training images typically impact device performance. AI based radiological image processing software is…

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026 Download the data (CSV)

FIG. A — Illustration, radiology panel

Twenty years of QKB 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 · QKB

6in 2025

2018: 12020: 42021: 92022: 72023: 72024: 62025: 62026 (partial year): 9
2007high 9 (2021) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · QKB

170in 2025

2020: 244 days median2021: 120 days median2022: 162 days median2023: 111 days median2024: 173 days median2025: 170 days median2026 (partial year): 179 days median
2007high 244 (2020) · low 111 (2023)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · QKB

No recall names QKB since 2007.

Adverse event reports per year · QKB

No MAUDE report names QKB since 2007.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20080—00
20090—00
20100—00
20110—00
20120—00
20130—00
20140—00
20150—00
20160—00
20170—00
20181—00
20190—00
2020424400
2021912000
2022716200
2023711100
2024617300
2025617000
202691790—
FIG. 1 — QKB by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in QKB? 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) Report

Related product codes

Other codes under 21 CFR 892.2050.