K65.4

Billable
ChapterK00–K95
Ranksubcategory
Official Description

Sclerosing mesenteritis

Metadata & Insights
  • 2026 ICD-10-CM Edition - Effective October 1, 2025.
  • Billable/specific code (valid for reimbursement).
  • Chapter 11: Diseases of the Digestive System (K00-K95).

Instructional Notes

Includes
  • Fat necrosis of peritoneum
  • (Idiopathic) sclerosing mesenteric fibrosis
  • Mesenteric lipodystrophy
  • Mesenteric panniculitis
  • Retractile mesenteritis
General instructions are available for the parent sections:

Clinical Hierarchy

CH11Diseases of the digestive system (K00-K95)
K65-K68Diseases of peritoneum and retroperitoneum (K65-K68)
K65Peritonitis
K65.4Sclerosing mesenteritis

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to K65.4:

categoryK65
Peritonitis
View context instructions
chapterCH11
Diseases of the digestive system (K00-K95)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to K65.4. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

14 raw paths

MS-DRG Classification

2026 v43.1

Cross Reference

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