Introduction: The health insurance organizations in Iran are an important part of the health system. However, they are not conscious to many unnecessary costs incurred by providers and recipients, and the health system suffers from a lack of an efficient health insurance system. Therefore, it is essential to assess the performance of insurers and implement appropriate measures. This study aims to investigate the performance of Iranian health insurance organization and present solutions to the challenges.
Methods: This study employed an explanatory sequential mixed method. The quantitative part of the research is a descriptive cross-sectional study and the qualitative section is conducted through qualitative content analysis. Quantitative data were collected by a researcher-made tool and analyzed based on descriptive statistics. For the qualitative section, the focus group discussion method was used for collecting data.
Results: Quantitative results show an increase in the population covered, especially in Self-employed fund, and increase in the number of contracting providers except physicians and dentists. The analysis of indicators related to utilization of health services indicates that the distribution of health facilities varies in different provinces which Sistan and Baluchestan Province has the lowest ranking. Also, financial indicators show that overhead costs and medical expenses of health insurance organization have been rising significantly since 2014. The analysis of qualitative data led to identification of three themes including: factors affecting budget deficit, suggested solutions for health insurance organization and suggested solutions for the health system. Based on the findings, the increasing of tariffs, population covered and benefit packages coverage are the most important factors in increasing costs, which strategic purchasing and revising of basic benefit package can play a significant role in meeting challenges.
Conclusions: In recent years, the population covered by the health insurance organization and the number of contracting providers have risen, and the utilization of health services has increased. On the other hand, the costs of this organization experiencing a significant increase for various reasons. Therefore, it is vital to design and implement appropriate strategies to manage the costs.

Introduction: Today, growing increase of costs is one of the challenges for health systems. The purpose of this study is to investigate the health costs trend in Iran and the policies adopted to manage them better.
Methods: This descriptive-analytic study was carried out in two steps: 1- General review of the Iran's health system costs trend based on National Health Accounts. 2-identification of Experts views on factors lead to increasing health costs in Iran and the strategies used to manage these costs better in last few decades, through simple and accessible sampling and semi-structured interviews. Data analysis was done through deductive / inductive hybrid framework, and a thematic framework was developed during the analysis. The NVivo software was used to manage and categorize data.
Results: health costs in Iran has increased over the past years, and various strategies have been used to manage these costs that Extending primary health care, expanding insurance coverage, implementing a family physician program in small towns, villages and among nomads are the most important ones.
Conclusions: Despite the adoption of some strategies to control the health costs in Iran in different periods, growing increase in health costs is a concern. Therefore, health policy makers need to make and implement appropriate polices in order to manage these costs better, while improving access, quality of service and eventually welfare of patients.