K65.8

ICD-10Billable

Other peritonitis

Official ICD-10-CM descriptor (FY2026)

Other peritonitis

K65.8 is valid for submission on a claim — CMS flags it as a billable, specific code.

Inclusion terms

  • Chronic proliferative peritonitis
  • Peritonitis due to urine

Related codes in K65

Where this code sits

Parent code
K65

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

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