Product code PNI— Immunology

KRONUS Aquaporin-4 Autoantibody (AQP4Ab) ELISA Assay

Classification name
Aquaporin-4 Autoantibody
Device class
Class 2
Regulation
21 CFR 866.5665
Advisory panel
Immunology
Total cleared
2
First cleared
Most recent

FDA classification definition

“For the determination of autoantibodies to Aquaporin-4 in human serum and plasma. The test may be useful as an aid in the diagnosis of Neuromyelitis Optica (NMO) and Neuromyelitis Optica Spectrum Disorders (NMOSD). The test is not to be used alone and is to be used in conjunction with other clinical and radiological (MRI) laboratory findings.”

— U.S. Food and Drug Administration, device classification record for product code PNI under 21 CFR 866.5665, via openFDA

Market context for product code PNI

FDA has cleared 2 devices under product code PNI, all in 2016, filed by 1 applicant company. No FDA device recalls reference this product code. Class II devices are moderate-risk and subject to general and special controls; most reach market through 510(k) clearance by demonstrating substantial equivalence to a predicate device.

Top applicants under product code PNI

Recent clearances under product code PNI

Data sourced from openFDA. This site is unofficial and independent of the FDA.