StacksVerified U.S. regulatory reference

21 CFR §868.5300

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)Identification. A carbon dioxide absorbent is a device intended for medical purposes that consists of an absorbent material (e.g., soda lime) that is intended to remove carbon dioxide from the gases in the breathing circuit.
  2. (b)Classification. Class I (general controls). The device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to the limitations in § 868.9.