510(k) Report

FDA product code · Microbiology

Device, Specimen Collection

LIOClass I21 CFR 866.2900510(k) required63 decisions since 19822 recalls

63 FDA decisions since 1982. 510(k) reviews decided 2021–2025 took a median of 575 days (half between 575 and 575). 2 recalls name this code, 0 of them Class I. The most-cited predicate is K960997, named by 2 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, microbiology panel

Twenty years of LIO 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 · LIO

1in 2024

2007: 12008: 12011: 12012: 12013: 12024: 1
2007high 1 (2007) · low 0 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LIO

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

Recalls per year · LIO

1in 2020

2009: 12020: 1
2007high 1 (2009) · low 0 (2007)2026

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

Adverse event reports per year · LIO

6in 2025

2007: 82008: 52009: 32010: 42011: 42012: 42013: 22014: 72015: 22016: 52017: 62018: 82019: 22020: 32021: 112022: 12023: 62024: 42025: 6
2007high 11 (2021) · low 1 (2022)2025

MAUDE reports naming product code LIO, 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
20071—08
20081—05
20090—13
20100—04
20111—04
20121—04
20131—02
20140—07
20150—02
20160—05
20170—06
20180—08
20190—02
20200—13
20210—011
20220—01
20230—06
20241—04
20250—06
20260—0—
FIG. 1 — LIO by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in LIO? 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 866.2900.