StacksVerified U.S. regulatory reference

21 CFR §870.4410

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Identification. A cardiopulmonary bypass in-line blood gas sensor is a transducer that measures the level of gases in the blood.
  2. (b)Classification. Class II (performance standards).