Factors Affecting Clinical Coding Errors

Background: Coding errors lead to incorrect classification of diseases and thus severely affect health care planning epidemiological research. Objectives: This study aimed investigate the factors affecting clinical coding errors. Methods: descriptive was conducted in 2020 2 stages. In first stage, a questionnaire developed by examining relevant resources, documents, articles. The questionnaire’s validity examined 5 information management experts. Its reliability determined using Cronbach α correlation coefficient (r = 0.84%). second data were collected visiting teaching hospitals affiliated with Shahid Beheshti University Medical Sciences, medical records, interviewing coders. Data analyzed statistics. Results: Non-observance diagnostic principles physicians, illegibility use ambiguous nonstandard abbreviations, incomplete documentation most important causes Conclusions: Considering importance presenting correct as powerful lever care, knowledge occurrence will greatly contribute selection effective strategies reduce eliminate