GZNClass III

Rheoencephalograph

21 CFR 882.1825 / Neurology

GZN is the FDA product code for Rheoencephalograph, a class III device type, regulated under 21 CFR 882.1825. FDA's definition for this code reads: "Call for PMAs to be filed by 12/26/96 per 61 FR 50708 on 9/27/96". As of 2026-09-10, FDA records hold no 510(k) clearances under this code and no recalls.

Classification record

Product code: GZN
Device name: Rheoencephalograph
FDA definition: Call for PMAs to be filed by 12/26/96 per 61 FR 50708 on 9/27/96
Regulation: 21 CFR 882.1825
Device class: Class III
Review panel: Neurology
Submission type: PMA
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

No registered establishment in MDM’s records lists product code GZN.

Recent clearances

Product code GZN

FDA records hold no clearances under product code GZN.

Recent recalls

Product code GZN

FDA records show no recalls under product code GZN.

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)