Waiting lists represent one of the main challenges in the organization of healthcare services, given their impact on timely access to medical services. The aim of this master thesis is to analyze the key causes of long waiting lists at KBC Split, the consequences they have on patients, and the possibilities for optimizing and reducing waiting times. A particular focus is placed on reviewing the existing strategies for managing waiting lists at KBC Split, including the implementation of IT solutions, changes in resource allocation, and the introduction of new procedures. Through the analysis of data on average waiting times for specific tests and procedures at KBC Split, problems such as limited capacity, insufficient medical staff, and unequal availability of certain services are identified. The master thesis also explores improvement opportunities, including more efficient work planning, better coordination between primary and secondary healthcare, and the introduction of patient prioritization based on medical urgency. The goal of these measures is to reduce waiting times, improve the quality of healthcare services, and alleviate pressure on the healthcare system.The master thesis emphasizes the importance of continuous monitoring and adaptation of the waiting list management system to ensure timely and quality healthcare access for all patients.