General surgeon involvement in the care of patients designated with an American Association for the Surgery of Trauma–endorsed ICD-10-CM emergency general surgery diagnosis code in Wisconsin

Angela Ingraham, Jessica Schumacher, Sara Fernandes-Taylor, Dou Yan Yang, Laura Godat, Alan Smith, Ronald Barbosa, Chris Cribari, Ali Salim, Thomas Schroeppel, Kristan Staudenmayer, Marie Crandall, Garth Utter

Research output: Contribution to journalArticlepeer-review

Abstract

BACKGROUND: The current national burden of emergency general surgery (EGS) illnesses and the extent of surgeon involvement in the care of these patients remain largely unknown. To inform needs assessments, research, and education, we sought to: (1) translate previously developed International Classification of Diseases (ICD), 9th Revision, Clinical Modification (ICD-9-CM) diagnosis codes representing EGS conditions to ICD 10th Revision, CM (ICD-10-CM) codes and (2) determine the national burden of and assess surgeon involvement across EGS conditions. METHODS: We converted ICD-9-CM codes to candidate ICD-10-CM codes using General Equivalence Mappings then iteratively refined the code list. We used National Inpatient Sample 2016 to 2017 data to develop a national estimate of the burden of EGS disease. To evaluate surgeon involvement, using Wisconsin Hospital Association discharge data (January 1, 2016 to June 30, 2018), we selected adult urgent/emergent encounters with an EGS condition as the principal diagnosis. Surgeon involvement was defined as a surgeon being either the attending provider or procedural physician. RESULTS: Four hundred and eighty-five ICD-9-CM codes mapped to 1,696 ICD-10-CM codes. The final list contained 985 ICD-10-CM codes. Nationally, there were 2,977,843 adult patient encounters with an ICD-10-CM EGS diagnosis. Of 94,903 EGS patients in the Wisconsin Hospital Association data set, most encounters were inpatient as compared with observation (75,878 [80.0%] vs. 19,025 [20.0%]). There were 57,780 patients (60.9%) that underwent any procedure. Among all Wisconsin EGS patients, most had no surgeon involvement (64.9% [n = 61,616]). Of the seven most common EGS diagnoses, surgeon involvement was highest for appendicitis (96.0%) and biliary tract disease (77.1%). For the other five most common conditions (skin/soft tissue infections, gastrointestinal hemorrhage, intestinal obstruction/ileus, pancreatitis, diverticular disease), surgeons were involved in roughly 20% of patient care episodes. CONCLUSION: Surgeon involvement for EGS conditions ranges from highly likely (appendicitis) to relatively unlikely (skin/soft tissue infections). The wide range in surgeon involvement underscores the importance of multidisciplinary collaboration in the care of EGS patients. (J Trauma Acute Care Surg. 2022;92: 117–125.

Original languageEnglish (US)
Pages (from-to)117-125
Number of pages9
JournalJournal of Trauma and Acute Care Surgery
Volume92
Issue number1
DOIs
StatePublished - Jan 1 2022

Keywords

  • Emergency general surgery
  • surgeon involvement

ASJC Scopus subject areas

  • Surgery
  • Critical Care and Intensive Care Medicine

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