510(k) Report

FDA product code · Immunology

Tryptase Assay System

OYLClass II21 CFR 866.5760510(k) required2 decisions since 20120 recalls

2 FDA decisions since 2012. No recall names this code. The most-cited predicate is DEN120001, named by 2 later devices.

An in vitro diagnostic device intended as an aid in the clinical diagnosis of patients with a suspicion of systemic mastocytosis in conjunction with other clinical and laboratory findings.

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, immunology panel

Twenty years of OYL 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 · OYL

1in 2018

2012: 12018: 1
2007high 1 (2012) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · OYL

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

Recalls per year · OYL

No recall names OYL since 2007.

Adverse event reports per year · OYL

No MAUDE report names OYL 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
20121—00
20130—00
20140—00
20150—00
20160—00
20170—00
20181—00
20190—00
20200—00
20210—00
20220—00
20230—00
20240—00
20250—00
20260—0—
FIG. 1 — OYL by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in OYL? 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