ACE Inhibitor, Drug Exposure

This medication concept set includes the following ingredients: Benazepril, Captopril, Enalapril, Fosinopril, Lisinopril, Moexipril, Periondopril, Quinapril,Ramipril, Trandolapril. It also includes combinations of these ingredients with other antihypertensive medications. This concept set, in contrast to its previous version, does NOT contain IV formulations. This code list was generated by taking the descendants of all the ACE inhibitor ingredients of interest and string matching with the concept_name of the ingredient. The broad concept set was intended to identify patients who received ACE inhibitors. It is limited to NDC, RxNorm, and RxNorm Extension codes. Meds were expected to be only oral/enteral/IV, not topical, ophthalmic/ocular, or buccal.