Defining the Emergency General Surgery Patient Population in the Era of ICD-10: Evaluating an Established Crosswalk From ICD-9 to ICD-10 Diagnosis Codes.
Michael K DaltonClaire M SokasManuel Castillo-AngelesRobert S SemcoJohn W ScottZara CooperAli SalimJoaquim M HavensMolly P JarmanPublished in: The journal of trauma and acute care surgery (2023)
Level III, Diagnostic tests or criteria.