510(k) Report

FDA product code · Radiology

System, Planning, Radiation Therapy Treatment

MUJClass II21 CFR 892.5050510(k) required258 decisions since 1995131 recalls

258 FDA decisions since 1995. 510(k) reviews decided 2021–2025 took a median of 134 days (half between 97 and 210). 131 recalls name this code, 0 of them Class I. The most-cited predicate is K992762, named by 7 later devices.

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 MUJ 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 · MUJ

10in 2025

2007: 42008: 92009: 162010: 112011: 92012: 82013: 52014: 92015: 132016: 52017: 72018: 72019: 92020: 92021: 112022: 82023: 102024: 92025: 102026 (partial year): 9
2007high 16 (2009) · low 4 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · MUJ

186in 2025

2007: 67 days median2008: 63 days median2009: 84 days median2010: 56 days median2011: 103 days median2012: 59 days median2013: 64 days median2014: 108 days median2015: 78 days median2016: 80 days median2017: 30 days median2018: 53 days median2019: 56 days median2020: 104 days median2021: 87 days median2022: 168 days median2023: 140 days median2024: 122 days median2025: 186 days median2026 (partial year): 233 days median
2007high 233 (2026) · low 30 (2017)2026

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

Recalls per year · MUJ

2in 2023

2007: 42008: 102009: 112010: 232011: 172012: 42013: 62014: 22015: 72016: 132017: 42018: 32019: 42020: 22021: 42022: 32023: 22026 (partial year): 2
2007high 23 (2010) · low 0 (2024)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · MUJ

21in 2025

2007: 242008: 512009: 242010: 782011: 732012: 392013: 332014: 352015: 302016: 272017: 162018: 252019: 252020: 262021: 152022: 222023: 762024: 92025: 21
2007high 78 (2010) · low 9 (2024)2025

MAUDE reports naming product code MUJ, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
2007467424
20089631051
200916841124
201011562378
201191031773
2012859439
2013564633
20149108235
20151378730
20165801327
2017730416
2018753325
2019956425
20209104226
20211187415
20228168322
202310140276
2024912209
202510186021
202692332—
FIG. 1 — MUJ by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in MUJ? 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 892.5050.