510(k) Report

FDA product code · Neurology

Normalizing Quantitative Electroencephalograph Software

OLUClass II21 CFR 882.1400510(k) required13 decisions since 19910 recalls

13 FDA decisions since 1991. 510(k) reviews decided 2021–2025 took a median of 220 days (half between 199 and 371). No recall names this code. The most-cited predicate is K041263, named by 9 later devices.

Post-hoc statistical analysis of electroencephalograph signals with comparison to a normative database for interpretation by a qualified user.

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, neurology panel

Twenty years of OLU 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 · OLU

1in 2024

2012: 12014: 12018: 12020: 22023: 22024: 12026 (partial year): 1
2007high 2 (2020) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · OLU

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

Recalls per year · OLU

No recall names OLU since 2007.

Adverse event reports per year · OLU

1in 2025

2025: 1
2007high 1 (2025) · low 0 (2007)2025

MAUDE reports naming product code OLU, 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
20121—00
20130—00
20141—00
20150—00
20160—00
20170—00
20181—00
20190—00
20202—00
20210—00
20220—00
20232—00
20241—00
20250—01
20261—0—
FIG. 1 — OLU by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in OLU? 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 882.1400.