510(k) Report

FDA product code · Cardiovascular

Hyperthermia Monitor

NZEClass II21 CFR 870.5900510(k) required6 decisions since 20061 recall

6 FDA decisions since 2006. 510(k) reviews decided 2021–2025 took a median of 198 days (half between 195 and 273). 1 recall names this code; it is not Class I. The most-cited predicate is K100071, named by 5 later devices.

Intended to monitor and reduce a patient's temperature to mild hypothermia (not to go below 32 degrees celsius. To induce mild hypothermia in hyperthermic patients e.g., heat stroke, fever (excluding fever related to head injury, cardiac arrest, or other severe medical conditions).

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, cardiovascular panel

Twenty years of NZE 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 · NZE

2in 2025

2010: 12017: 12023: 12025: 2
2007high 2 (2025) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · NZE

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

Recalls per year · NZE

1in 2011

2011: 1
2007high 1 (2011) · low 0 (2007)2026

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

Adverse event reports per year · NZE

2in 2024

2011: 12024: 2
2007high 2 (2024) · low 0 (2007)2025

MAUDE reports naming product code NZE, 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
20101—00
20110—11
20120—00
20130—00
20140—00
20150—00
20160—00
20171—00
20180—00
20190—00
20200—00
20210—00
20220—00
20231—00
20240—02
20252—00
20260—0—
FIG. 1 — NZE by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in NZE? 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 870.5900.