510(k) Report

FDA product code · Pathology

Phloxine B

HZLClass I21 CFR 864.1850510(k) exempt1 decision since 19820 recalls

FDA lists HZL as exempt from 510(k): a device of this type needs no clearance unless one of the limits in 21 CFR 864.9 applies, such as a new intended use or a different fundamental technology. 1 FDA decision since 1982. 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, pathology panel

Twenty years of HZL 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 · HZL

FDA has decided no HZL device since 2007.

Median 510(k) review, days · HZL

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

Recalls per year · HZL

No recall names HZL since 2007.

Adverse event reports per year · HZL

No MAUDE report names HZL since 2007.

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

Planning a device in HZL? 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 864.1850.