StacksVerified U.S. regulatory reference

21 CFR §870.2750

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Identification. An impedance phlebograph is a device used to provide a visual display of the venous pulse or drainage by measuring electrical impedance changes in a region of the body.
  2. (b)Classification. Class II (performance standards).