J Surg Res 2021 May 30;266:345-351. Epub 2021 May 30.
Surgical Outcomes Quality Improvement Center, Northwestern University Feinberg School of Medicine, Chicago, Illinois 60611; Division of Pediatric Surgery, Department of Surgery, Northwestern University Feinberg School of Medicine, Ann & Robert H. Lurie Children's Hospital, Chicago, Illinois 60611. Electronic address:
Background: This study sought to evaluate the influence of International Classification of Diseases, Tenth Revision (ICD-10) transition on Perforated Appendix Admission Rate (PAAR), which is a commonly used indicator representing access to care developed by Agency for Healthcare Research and Quality (AHRQ).
Materials And Methods: In this interrupted time series study of Pediatric Health Information System database from 2013 to 2018, we employed three study phases (pre-implementation, washout, and initial implementation) to evaluate the influence of ICD-10 transition on trends in PAAR. ICD-10 diagnosis codes suggested by AHRQ's specifications were used to identify perforated and simple appendicitis, and PAAR was estimated accordingly. Read More