Ileostomy Takedown and Parastomal Hernia Repair

A 33-year-old male patient with loop ileostomy, status post proctocolectomy and ileoanal J-pouch anastomosis for ulcerative colitis, presents for closure of the loop ileostomy. A parastomal hernia was also noted during the preoperative exam. At surgery, a parastomal incision was made. The ileostomy was dissected free, the parastomal hernia sac was dissected away from the ileum, and the ileostomy was closed. A side-to-side functional end-to-end anastomosis was created. The parastomal hernia sac was then dissected free. What are the correct ICD-10-PCS codes for the ileostomy takedown, and repair of the parastomal hernia? ...

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Note:  The following article synopsis was NOT provided by the AHA. It was created by Find-A-Code/innoviHealth.

Article Overview

This article focuses on an ICD-10-PCS surgical coding scenario involving closure of a loop ileostomy and repair of a parastomal hernia after prior colorectal surgery. It is relevant to inpatient coders, CDI specialists, and auditors working with gastrointestinal operative reports. The article explains the coding approach at a high level and references official ICD-10-PCS guidance that affects how the operative steps are interpreted.

Why This Topic Matters

Postoperative bowel surgery can involve multiple procedural components that must be distinguished for accurate ICD-10-PCS assignment. Understanding how the operative note is interpreted in relation to official ICD-10-PCS guidance helps reduce coding errors and supports compliant reporting.

What You Will Learn

  • How a postoperative ileostomy closure case is approached in ICD-10-PCS
  • How a concurrent parastomal hernia repair is considered in the operative coding context
  • How official ICD-10-PCS guidance can affect interpretation of operative steps
  • Which broad procedural components are discussed in relation to the case

Who Should Read This

  • Inpatient coders
  • Clinical documentation integrity specialists
  • Coding auditors
  • Gastrointestinal surgery coding staff

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