StacksVerified U.S. regulatory reference

21 CFR §357.203

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
As used in this subpart: Cholecystokinetic drug product. A drug product that causes contraction of the gallbladder and is used during the course of diagnostic gallbladder studies (cholecystography).