510(k) Report

FDA product code · Anesthesiology

Abnormal Breath Sound Device

PHZClass II21 CFR 868.1900510(k) required8 decisions since 20140 recalls

8 FDA decisions since 2014. 510(k) reviews decided 2021–2025 took a median of 140 days (half between 138 and 227). No recall names this code. The most-cited predicate is K232237, named by 3 later devices.

The device is intended to measure abnormal breath sound, such as wheeze, rhonchi, and whistling.

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, anesthesiology panel

Twenty years of PHZ 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 · PHZ

1in 2025

2014: 12021: 12023: 22024: 12025: 12026 (partial year): 2
2007high 2 (2023) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · PHZ

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

Recalls per year · PHZ

No recall names PHZ since 2007.

Adverse event reports per year · PHZ

No MAUDE report names PHZ 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
20141—00
20150—00
20160—00
20170—00
20180—00
20190—00
20200—00
20211—00
20220—00
20232—00
20241—00
20251—00
20262—0—
FIG. 1 — PHZ by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in PHZ? 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 868.1900.