primary diagnosis status Oliver He, Long Tran https://athena.ohdsi.org/search-terms/terms/32902 The primary diagnosis refers to the patient condition that demands the most provider resources during the patient’s stay. https://athena.ohdsi.org/search-terms/terms?domain=Condition+Status https://www.definitivehc.com/resources/glossary/primary-diagnosis OMOP4976972 primary diagnosis There is often confusion surrounding primary and principal diagnoses and, consequently, the terms are commonly used interchangeably. While these can be (and frequently are) the same diagnosis in practice, their definitions are distinct. While a principal diagnosis is the underlying cause of patient symptoms, the primary diagnosis is used for healthcare billing purposes. Reference: https://www.definitivehc.com/resources/glossary/primary-diagnosis medical condition status