510(k) Report

FDA product code · Clinical toxicology

Placental Alpha Microglobulin-1 Immunoassay

QBBClass IIIPMA required1 decision since 20180 recalls

1 FDA decision since 2018. No recall names this code.

A Placental Alpha Microglobulin-1 Immunoassay is a qualitative test intended to detect the presence of placental alpha microglobulin 1 (PAMG-1) in cervicovaginal secretions. The test is indicated as an aid to assess the risk of spontaneous preterm delivery in less than or equal to 7 days from the time of cervicovaginal sample collection in pregnant women with signs and symptoms of early preterm labor.

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, clinical toxicology panel

Twenty years of QBB 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 · QBB

1in 2019

2018: 12019: 1
2007high 1 (2018) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · QBB

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

Recalls per year · QBB

No recall names QBB since 2007.

Adverse event reports per year · QBB

No MAUDE report names QBB 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
20181—00
20191—00
20200—00
20210—00
20220—00
20230—00
20240—00
20250—00
20260—0—
FIG. 1 — QBB by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in QBB? 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