K50-K52

Non-Billable
ChapterK00–K95
Rankblock
Official Description

Noninfective enteritis and colitis (K50-K52)

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)

Instructional Notes

Includes
  • noninfective inflammatory bowel disease
Excludes1(Not coded here)
  • irritable bowel syndrome (K58.-)
  • megacolon (K59.3-)

Clinical Hierarchy

CH11Diseases of the digestive system (K00-K95)
K50-K52Noninfective enteritis and colitis (K50-K52)
K50Crohn's disease [regional enteritis]
K51Ulcerative colitis
K52Other and unspecified noninfective gastroenteritis and colitis

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to K50-K52:

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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