510(k) Report

FDA product code · Radiology

Instrument, Quality-Assurance, Radiologic

LHOClass I21 CFR 892.1940510(k) exempt8 decisions since 19840 recalls

FDA lists LHO as exempt from 510(k): a device of this type needs no clearance unless one of the limits in 21 CFR 892.9 applies, such as a new intended use or a different fundamental technology. 8 FDA decisions since 1984. No recall names this code.

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 LHO 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 · LHO

FDA has decided no LHO device since 2007.

Median 510(k) review, days · LHO

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

Recalls per year · LHO

No recall names LHO since 2007.

Adverse event reports per year · LHO

1in 2023

2011: 22012: 12014: 12023: 1
2007high 2 (2011) · low 0 (2007)2025

MAUDE reports naming product code LHO, 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—02
20120—01
20130—00
20140—01
20150—00
20160—00
20170—00
20180—00
20190—00
20200—00
20210—00
20220—00
20230—01
20240—00
20250—00
20260—0—
FIG. 1 — LHO by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in LHO? 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 892.1940.