This book includes the most important terms and their brief definitions covering the field of pharmacoeconomics, health economics, health care management and regulations, health- related quality of life and outcomes research. It is supplemented by selected terms concerning clinical trials, macroeconomics, financial analysis, cost accounting and statistics. All the terms are listed in alphabetic order (in Polish) with their English translations given in brackets. English terms are listed in the alphabetic order at the end of the publication. It is user-friendly lexicon which may serve as a reference tool for the practitioners of pharmacoeconomics and outcomes research as well as for users of pharmacoeconomic analyses.