Pharmaceutical code is like a secret language. Doctors and nurses use it to give instructions to people who fill prescriptions at pharmacies. The code is like a secret code because it uses numbers, letters, and symbols to tell the pharmacist what medications to give to a patient. The code includes information like the type of medication, how many pills or doses to give, how often to give them, and what strength of the medication to give. Doctors use the code to help make sure that the right medications are given to the right person in the right amount.