All ICD10 Codes

K55-K64

Non-Billable
ChapterK00–K95
Rankblock
Official Description

Other diseases of intestines (K55-K64)

Use a more specific code (0 billable, 10 non-billable)
K55Vascular disorders of intestinehas subcodesK56Paralytic ileus and intestinal obstruction without herniahas subcodesK57Diverticular disease of intestinehas subcodesK58Irritable bowel syndromehas subcodesK59Other functional intestinal disordershas subcodesK60Fissure and fistula of anal and rectal regionshas subcodesK61Abscess of anal and rectal regionshas subcodesK62Other diseases of anus and rectumhas subcodesK63Other diseases of intestinehas subcodesK64Hemorrhoids and perianal venous thrombosishas 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)
K55-K64Other diseases of intestines (K55-K64)Not billable
K55Vascular disorders of intestineSubcodes
K56Paralytic ileus and intestinal obstruction without herniaSubcodes
K57Diverticular disease of intestineSubcodes
K58Irritable bowel syndromeSubcodes
K59Other functional intestinal disordersSubcodes
K60Fissure and fistula of anal and rectal regionsSubcodes
K61Abscess of anal and rectal regionsSubcodes
K62Other diseases of anus and rectumSubcodes
K63Other diseases of intestineSubcodes
K64Hemorrhoids and perianal venous thrombosisSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to K55-K64:

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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