StacksVerified U.S. regulatory reference

21 CFR §870.1660

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)Identification. An indicator injector is an electrically or gas-powered device designed to inject accurately an indicator solution into the blood stream. This device may be used in conjuction with a densitometer or thermodilution device to determine cardiac output.
  2. (b)Classification. Class II (performance standards).