510(k) Report

FDA product code · Clinical toxicology

Radioimmunoassay, Tobramycin

KLBClass II21 CFR 862.3900510(k) required23 decisions since 19762 recalls

23 FDA decisions since 1976. 2 recalls name this code, 0 of them Class I. The most-cited predicate is K003341, 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, clinical toxicology panel

Twenty years of KLB 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 · KLB

FDA has decided no KLB device since 2007.

Median 510(k) review, days · KLB

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

Recalls per year · KLB

2in 2007

2007: 2
2007high 2 (2007) · low 0 (2008)2026

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

Adverse event reports per year · KLB

1in 2024

2017: 12024: 1
2007high 1 (2017) · low 0 (2007)2025

MAUDE reports naming product code KLB, 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—20
20080—00
20090—00
20100—00
20110—00
20120—00
20130—00
20140—00
20150—00
20160—00
20170—01
20180—00
20190—00
20200—00
20210—00
20220—00
20230—00
20240—01
20250—00
20260—0—
FIG. 1 — KLB by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in KLB? 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 862.3900.