510(k) Report

FDA product code · Microbiology

Device To Preserve And Stabilize Relative Abundances Of Microbial Nucleic Acids In Clinical Samples

QPOClass II21 CFR 866.2952510(k) required1 decision since 20216 recalls

1 FDA decision since 2021. 6 recalls name this code, 0 of them Class I.

A device to preserve and stabilize relative abundances of microbial nucleic acids in clinical samples is a device that consists of a container and reagents intended to stabilize microbial nucleic acids for the subsequent assessment of the relative abundance of microbial nucleic acids (i.e., microbiome) in human specimens by an assay validated for use with the device. The device may also be indicated for sample…

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, microbiology panel

Twenty years of QPO 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 · QPO

1in 2021

2021: 1
2007high 1 (2021) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · QPO

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

Recalls per year · QPO

6in 2025

2025: 6
2007high 6 (2025) · low 0 (2007)2026

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

Adverse event reports per year · QPO

No MAUDE report names QPO 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
20211—00
20220—00
20230—00
20240—00
20250—60
20260—0—
FIG. 1 — QPO by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in QPO? 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