The competence of a medical recorder is to code diagnosis. But in the fact, there are still many medical officers who experience some difficulties in coding diagnoses quickly, precisely, and accurately. This study is here to find out the effect of the knowledge of medical personnel and medical record document facilities on the inaccuracy of the main diagnosis code according to ICD-10 in the medical record document at dr. Soepraoen Malang. This research uses a qualitative method with a case study approach design. The location of this research is DR. Soepraoen Hospital, Malang. Processing data in this study is use non statistic. The result of this study is there is a negative and significant effect of health workers knowledge partially on the inaccuracies of main diagnosis codes, there is a negative and significant effect of hospital facilities partially on the inaccuracies of main diagnosis codes, there is a simultaneous negative and significant effect of health workers knowledge and hospital facilities on the inaccuracies of main diagnosis codes.

The performance of equipment, especially in sub-district areas, is a strategic issue because improving bureaucratic performance has broad implications. A study of the performance of local governments, especially those involved in providing public services, has strategic value. Information regarding bureaucratic performance and the factors that shape bureaucratic performance is of course important to know so that policies to improve bureaucratic performance can be formulated. By improving performance, it is hoped that it can improve the level of public trust in the government.
Furthermore, to analyze device performance requires some kind of performance measurement device based on balanced results to measure success in meeting goals and objectives. Therefore, a number of indicators are needed to assess performance. Performance measurement is a useful tool in efforts to achieve goals. Through performance measurement, an assessment process can be carried out regarding the achievement of predetermined goals and performance measurement can provide an objective assessment in making management decisions. Apart from that, through performance measurement, the success of a government agency can be seen from the agency's capabilities, based on the resources it manages in accordance with the plans that have been prepared.