K50.1
Crohn's disease of large intestine
- Release
- FY 2027
- Effective
Hierarchy
Where K50.1 sits in the official hierarchy. Each level is the code it is classified under.
- K50 Parent Crohn's disease [regional enteritis]
- K50.1 This code Crohn's disease of large intestine
Official Coding Notes
Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.
Inclusion Terms
Crohn's disease [regional enteritis] of colon
Inclusion Terms
Crohn's disease [regional enteritis] of large bowel
Inclusion Terms
Crohn's disease [regional enteritis] of rectum
Inclusion Terms
Granulomatous colitis
Inclusion Terms
Regional colitis
Excludes1
Crohn's disease of both small and large intestine ( K50.8 )
Use Additional Code
code to identify any associated fistulas, if applicable:
Inherited from K50 — Crohn's disease [regional enteritis]
Use Additional Code
anal fistula ( K60.3- )
Inherited from K50 — Crohn's disease [regional enteritis]
Use Additional Code
anorectal fistula ( K60.5- )
Inherited from K50 — Crohn's disease [regional enteritis]
Use Additional Code
rectal fistula ( K60.4- )
Inherited from K50 — Crohn's disease [regional enteritis]
Use Additional Code
code to identify manifestations, such as:
Inherited from K50 — Crohn's disease [regional enteritis]
More Specific Codes
2 codes under K50.1
Version History
How K50.1 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentCrohn's disease of large intestine
-
FY 2026 Effective
UnchangedCrohn's disease of large intestine
Related Codes
Data Source
Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.
- Release
- FY 2027
- Effective
- Source file
- icd10cm-code-descriptions-2027.zip
Official ICD-10-CM source files (opens in a new tab)
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