FDA product code · Immunology
System, Test, Radioallergosorbent (Rast) Immunological, Exempt Allergens
FDA lists PUW as exempt from 510(k): a device of this type needs no clearance unless one of the limits in 21 CFR 866.9 applies, such as a new intended use or a different fundamental technology. 0 FDA decisions. No recall names this code.
Intended for in vitro diagnostic use as an aid in the clinical diagnosis of IgE mediated allergic disorders in conjunction with other clinical findings, and is to be used in clinical laboratories. FDA has exempted these devices from the premarket notification requirement by publishing in the Federal Register of July 11, 2017 (82 FR 31976) available at…
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly Download the data (CSV)
Twenty years of PUW 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.
Planning a device in PUW? 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) ReportRelated product codes
Other codes under 21 CFR 866.5750.