K65-K68

Non-Billable
ChapterK00–K95
Rankblock
Official Description

Diseases of peritoneum and retroperitoneum (K65-K68)

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 11: Diseases of the Digestive System (K00-K95).

CH11 Parent Instructions

Excludes2(Not included here)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Clinical Hierarchy

CH11Diseases of the digestive system (K00-K95)
K65-K68Diseases of peritoneum and retroperitoneum (K65-K68)
K65Peritonitis
K66Other disorders of peritoneum
K67Disorders of peritoneum in infectious diseases classified elsewhere
K68Disorders of retroperitoneum

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to K65-K68:

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

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Diseases of peritoneum and retroperitoneum (K65-K68).

Search PCS Codes