Repair of Internal Hernia at Petersen Space

A patient, status post Roux-en-Y gastric bypass, is diagnosed with an internal hernia at Petersen space. The patient underwent repair of internal hernia after reduction at Petersen space. Upon entry, two ports were placed. The Roux limb at the gastrojejunostomy anastomosis was identified. The bowel ran distally down to the level of the jejunojejunostomy anastomosis where a significant portion of the bowel was in the Petersen space, which was reduced, freeing the bowel from the Petersen space, and the defect was subsequently closed using an Endo Stitch device, between the inferior aspects of the opening up to the level of the transverse colon. What is the appropriate ICD-10-PCS code assignment for repair of internal hernia at Petersen space? ...

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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 premium article focuses on a post-bariatric surgery internal hernia repair involving Petersen space and the associated ICD-10-PCS coding question. It is intended for coders and compliance professionals who need to understand the clinical scenario, the procedural context, and the code-set assignment presented in the article. The content centers on how the operative description maps to the ICD-10-PCS framework in a minimally invasive setting.

Why This Topic Matters

Internal hernia repairs after Roux-en-Y gastric bypass can be challenging to classify accurately in ICD-10-PCS. This article helps readers evaluate the operative context and the coding considerations associated with this type of abdominal repair.

What You Will Learn

  • How a Petersen space internal hernia repair is described in an operative report
  • How the case is framed for ICD-10-PCS coding
  • The procedural context relevant to minimally invasive abdominal repair coding
  • How a post-Roux-en-Y gastric bypass complication is presented for code assignment

Who Should Read This

  • Medical coders
  • Coding auditors
  • Compliance staff
  • Revenue cycle professionals
  • Bariatric surgery coding specialists

Codes Discussed


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