StacksVerified U.S. regulatory reference

21 CFR §868.1760

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Identification. A volume plethysmograph is an airtight box, in which a patient sits, that is used to determine the patient's lung volume changes.
  2. (b)Classification. Class II (performance standards).