510(k) Report

FDA product code · Gastroenterology and urology

Monitor, Extracellular Fluid, Lymphedema, Extremity

OBHClass II21 CFR 870.2770510(k) required10 decisions since 20071 recall

10 FDA decisions since 2007. 510(k) reviews decided 2021–2025 took a median of 77 days (half between 72 and 83). 1 recall names this code; it is not Class I. The most-cited predicate is K080825, named by 2 later devices.

Measure impedances in affected and unaffected but opposite extremity to periodically monitor the level of extracellular fluid or the differences in bioimpedance between opposing extremities for patients who have been previously diagnosed with unilateral lymphedema (that is, in one affected extremity)

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, gastroenterology and urology panel

Twenty years of OBH 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 · OBH

1in 2023

2007: 12008: 12011: 12013: 12015: 12017: 12018: 12022: 12023: 12026 (partial year): 1
2007high 1 (2007) · low 0 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · OBH

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

Recalls per year · OBH

1in 2023

2023: 1
2007high 1 (2023) · low 0 (2007)2026

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

Adverse event reports per year · OBH

No MAUDE report names OBH since 2007.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20071—00
20081—00
20090—00
20100—00
20111—00
20120—00
20131—00
20140—00
20151—00
20160—00
20171—00
20181—00
20190—00
20200—00
20210—00
20221—00
20231—10
20240—00
20250—00
20261—0—
FIG. 1 — OBH by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in OBH? 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 870.2770.