StacksVerified U.S. regulatory reference

21 CFR §870.1450

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Identification. A densitometer is a device used to measure the transmission of light through an indicator in a sample of blood.
  2. (b)Classification. Class II (performance standards).