All ICD10 Codes

K65-K68

Non-Billable
ChapterK00–K95
Rankblock
Official Description

Diseases of peritoneum and retroperitoneum (K65-K68)

Use a more specific code (1 billable, 3 non-billable)
K65Peritonitishas subcodesK66Other disorders of peritoneumhas subcodesK67Disorders of peritoneum in infectious diseases classified elsewhereK68Disorders of retroperitoneumhas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 11: Diseases of the Digestive System (K00-K95).

CH11 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • 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

BillableHas subcodes
CH11Diseases of the digestive system (K00-K95)
K65-K68Diseases of peritoneum and retroperitoneum (K65-K68)Not billable
K65PeritonitisSubcodes
K66Other disorders of peritoneumSubcodes
K67Disorders of peritoneum in infectious diseases classified elsewhereBillable
K68Disorders of retroperitoneumSubcodes

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

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