510(k) Report

FDA product code · Obstetrics and gynecology

Plethysmograph, Air Displacement For Body Composition Analysis

OACClass II21 CFR 870.2770510(k) required3 decisions since 19950 recalls

3 FDA decisions since 1995. No recall names this code. The most-cited predicate is K924972, named by 2 later devices.

To measure the total body volume and weight for calculating the estimated body composition (total body fat and total body lean mass).

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, obstetrics and gynecology panel

Twenty years of OAC 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 · OAC

FDA has decided no OAC device since 2007.

Median 510(k) review, days · OAC

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

Recalls per year · OAC

No recall names OAC since 2007.

Adverse event reports per year · OAC

No MAUDE report names OAC 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 — OAC by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in OAC? 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.