Pulmonary-function data calculator.
21 C.F.R. § 868.1880
in effectEffective: 2024-07-01(a) Identification. A pulmonary-function data calculator is a device used to calculate pulmonary-function values based on actual physical data obtained during pulmonary-function testing.
(b) Classification. Class II (performance standards).
Source: eCFRURL: https://www.ecfr.gov/api/versioner/v1/full/2024-07-01/title-21.xmlFetched: 7/26/2026
