K50.1
Crohn's disease of large intestine
K50.1 is a non-billable ICD-10-CM code header for crohn's disease of large intestine. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are K50.10 Crohn's disease of large intestine without complications and K50.11 Crohn's disease of large intestine with complications. Its coding notes include a Use additional code instruction, 4 Excludes1 entries and 8 Excludes2 entries.
Use additional code
Add the listed code as a secondary code, if known.
Excludes1
Not coded here. The listed conditions generally should not be reported together.
- Crohn's disease of both small and large intestine (K50.8)
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (8 notes)
- 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)
Includes
Further defines or gives examples of the content of the category.
- granulomatous enteritis
Also from chapter/block level (1 note)
- noninfective inflammatory bowel disease
Inclusion terms
Conditions classified to this code.
- Crohn's disease [regional enteritis] of colon
- Crohn's disease [regional enteritis] of large bowel
- Crohn's disease [regional enteritis] of rectum
- Granulomatous colitis
- Regional colitis