All ICD10 Codes
K57Non-billable

Diverticular disease of intestine

Diseases of the Digestive System·Other diseases of intestines (K55-K64)·category·FY 2026

Use a more specific code (0 billable, 8 non-billable)
K57.0Diverticulitis of small intestine with perforation and abscesshas subcodesK57.1Diverticular disease of small intestine without perforation or abscesshas subcodesK57.2Diverticulitis of large intestine with perforation and abscesshas subcodesK57.3Diverticular disease of large intestine without perforation or abscesshas subcodesK57.4Diverticulitis of both small and large intestine with perforation and abscesshas subcodesK57.5Diverticular disease of both small and large intestine without perforation or abscesshas subcodesK57.8Diverticulitis of intestine, part unspecified, with perforation and abscesshas subcodesK57.9Diverticular disease of intestine, part unspecified, without perforation or abscesshas subcodes

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)

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • congenital diverticulum of intestine (Q43.8)
  • Meckel's diverticulum (Q43.0)
Excludes2(Not included here. Code separately if applicable.)
  • diverticulum of appendix (K38.2)
Code Also
  • if applicable peritonitis K65.-

Clinical Hierarchy

BillableHas subcodes
CH11Diseases of the digestive system (K00-K95)
K55-K64Other diseases of intestines (K55-K64)
K57Diverticular disease of intestineNot billable
K57.0Diverticulitis of small intestine with perforation and abscessSubcodes
K57.1Diverticular disease of small intestine without perforation or abscessSubcodes
K57.2Diverticulitis of large intestine with perforation and abscessSubcodes
K57.3Diverticular disease of large intestine without perforation or abscessSubcodes
K57.4Diverticulitis of both small and large intestine with perforation and abscessSubcodes
K57.5Diverticular disease of both small and large intestine without perforation or abscessSubcodes
K57.8Diverticulitis of intestine, part unspecified, with perforation and abscessSubcodes
K57.9Diverticular disease of intestine, part unspecified, without perforation or abscessSubcodes

MS-DRG Classification

2026

No direct MS-DRG triggers identified.