K50.91

Crohn's disease, unspecified, with complications

FY2027Chapter 11: Diseases of the digestive system/K50–K52 Noninfective enteritis and colitis

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

Use additional code
Excludes1
Excludes2

K50.91 is a non-billable ICD-10-CM code header for crohn's disease, unspecified, with complications. 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 K50.911 Crohn's disease, unspecified, with rectal bleeding; K50.912 Crohn's disease, unspecified, with intestinal obstruction; K50.913 Crohn's disease, unspecified, with fistula; K50.914 Crohn's disease, unspecified, with abscess and 2 more. Its coding notes include a Use additional code instruction, 3 Excludes1 entries and 8 Excludes2 entries.

Use additional code

Add the listed code as a secondary code, if known.

Inherited from K50 Crohn's disease [regional enteritis]

code to identify any associated fistulas, if applicable:
- anal fistula (K60.3-)
- anorectal fistula (K60.5-)
- rectal fistula (K60.4-)
code to identify manifestations, such as:
- pyoderma gangrenosum (L88)

Excludes1

Not coded here. The listed conditions generally should not be reported together.

Inherited from K50 Crohn's disease [regional enteritis]

ulcerative colitis (K51.-)

Also from chapter/block level (2 notes)

Inherited from K50–K52 Noninfective enteritis and colitis

irritable bowel syndrome (K58.-)
megacolon (K59.3-)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Also from chapter/block level (8 notes)

Inherited from Chapter 11 Diseases of the digestive system

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.

Inherited from K50 Crohn's disease [regional enteritis]

granulomatous enteritis

Also from chapter/block level (1 note)

Inherited from K50–K52 Noninfective enteritis and colitis

noninfective inflammatory bowel disease

More specific codes under K50.91 6