StacksVerified U.S. regulatory reference

21 CFR §868.1860

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Identification. A peak-flow meter for spirometry is a device used to measure a patient's maximum ventilatory flow rate.
  2. (b)Classification. Class II (performance standards).