510(k) Report

FDA product code · Physical medicine

Diathermy, Shortwave, For Use In Applying Therapeutic Deep Heat

IMJClass II21 CFR 890.5290510(k) required45 decisions since 19771 recall

45 FDA decisions since 1977. 510(k) reviews decided 2021–2025 took a median of 268 days (half between 219 and 268). 1 recall names this code; it is not Class I. The most-cited predicate is K083433, named by 4 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, physical medicine panel

Twenty years of IMJ 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 · IMJ

2in 2025

2009: 12012: 12014: 32016: 32018: 12019: 12023: 12025: 22026 (partial year): 1
2007high 3 (2014) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · IMJ

131in 2016

2014: 393 days median2016: 131 days median
2007high 393 (2014) · low 131 (2016)2026

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

Recalls per year · IMJ

1in 2015

2015: 1
2007high 1 (2015) · low 0 (2007)2026

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

Adverse event reports per year · IMJ

1in 2019

2009: 12010: 12011: 32012: 22013: 42014: 32015: 52017: 22019: 1
2007high 5 (2015) · low 0 (2007)2025

MAUDE reports naming product code IMJ, 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
20070—00
20080—00
20091—01
20100—01
20110—03
20121—02
20130—04
2014339303
20150—15
2016313100
20170—02
20181—00
20191—01
20200—00
20210—00
20220—00
20231—00
20240—00
20252—00
20261—0—
FIG. 1 — IMJ by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in IMJ? 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 890.5290.