PUWClass II

System, Test, Radioallergosorbent (Rast) Immunological, Exempt Allergens

21 CFR 866.5750 / Immunology

PUW is the FDA product code for System, Test, Radioallergosorbent (Rast) Immunological, Exempt Allergens, a class II device type, regulated under 21 CFR 866.5750. FDA's definition for this code reads: "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...". As of 2026-09-10, FDA records hold no 510(k) clearances under this code and no recalls.

Classification record

Product code: PUW
Device name: System, Test, Radioallergosorbent (Rast) Immunological, Exempt Allergens
FDA definition: 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 https://www.federalregister.gov/documents/2017/07/11/2017-14453/medical-devices-exemptions-from-premarket-notification-class-ii-devices subject to the limitations under 21 CFR XXX.9, where XXX refers to Parts 862-892, and any limitations on the exemption described in (82 FR 31976). Any device that exceeds the limitations found in 21 CFR sections 862.9 to 892.9 or identified in the Federal Register (82 FR 31976) available at https://www.federalregister.gov/documents/2017/07/11/2017-14453/medical-devices-exemptions-from-premarket-notification-class-ii-devices is required to submit a premarket notification submission (510(k)) to FDA before introducing a device into interstate commerce. If a manufacturer’s device is exempt from the premarket notification requirement, then a premarket notification submission and FDA clearance is not required before marketing the device in the U.S. however, manufacturers are required to meet all other requirements under the Federal Food Drug & Cosmetic and implementing regulations including (but not limited to) registration and listing requirements. Please see the Device Registration and Listing website for additional information on registration and listing.
Regulation: 21 CFR 866.5750
Device class: Class II
Review panel: Immunology
Submission type: 510(k) exempt
Implant: No
Life sustaining or supporting: No
GMP exempt: No
Third party review eligible: No
Ingested clearances: 0
Ingested recalls: 0

Companies listing this code with FDA

Companies whose registered establishments list this code

Recent clearances

Product code PUW

FDA records hold no clearances under product code PUW.

Recent recalls

Product code PUW

FDA records show no recalls under product code PUW.

MDM coverage of this record lists here, newest first.

About this record

Sourced from the FDA device classification database, ingested from openFDA. The definition, regulation number, device class and review panel are FDA’s own fields, reproduced without editing.

MDM adds the counts: clearances by decision year, the applicants holding the most clearances under this code, recalls that name it, and the registered establishments that list it. Every count is computed from ingested records only.

Data as of 2026-10-05, the FDA export date for this dataset. Page last changed 2026-09-05. View this product code on fda.gov (opens on fda.gov)