510(k) Report

FDA product code · Radiology

System, Rebreathing, Radionuclide

IYTClass II21 CFR 892.1390510(k) required49 decisions since 19780 recalls

49 FDA decisions since 1978. No recall names this code. The most-cited predicate is K810819, named by 1 later device.

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 IYT 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 · IYT

1in 2020

2020: 12026 (partial year): 1
2007high 1 (2020) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · IYT

Too few IYT 510(k)s in any year since 2007 to give a median.

Recalls per year · IYT

No recall names IYT since 2007.

Adverse event reports per year · IYT

2in 2025

2012: 12013: 22021: 12023: 22025: 2
2007high 2 (2013) · low 0 (2007)2025

MAUDE reports naming product code IYT, 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
20090—00
20100—00
20110—00
20120—01
20130—02
20140—00
20150—00
20160—00
20170—00
20180—00
20190—00
20201—00
20210—01
20220—00
20230—02
20240—00
20250—02
20261—0—
FIG. 1 — IYT by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in IYT? 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