usp room temperature definition
CRT refers to âControlled Room Temperatureâ. A temperature range that is controlled within an environment. Generally â no medicines are licensed for use within the European Economic Area be labelled with storage conditions of âcontrolled room temperatureâ.CRT labelling is regulated by the USP.ervice providers in the care sector will find that guidelines will generally refer to keeping room temperature below 25 Â° C. Whereas pharmacy guidelines will be more precise and refer to the âcontrolled room temperatureâ of 20 Â° C to 25 Â° C.