Title: 2021 ICD-10-CM Code K50.813 - Crohn's disease of both small and large intestine with fistula
Headings: 2021 ICD-10-CM Code K50.813
2021 ICD-10-CM Code K50.813
Crohn's disease of both small and large intestine with fistula
Valid for Submission
Code Classification
Index to Diseases and Injuries
Approximate Synonyms
Convert K50.813 to ICD-9 Code
Information for Patients
Code History

Content: The ICD-10-CM code K50.813 might also be used to specify conditions or terms like complication due to crohn's disease of large intestine, complication due to crohn's disease of small and large intestines, complication due to crohn's disease of small intestine or fistula of intestine due to crohn's disease of small and large intestine. ICD-10: K50.813
Short Description: Crohn's disease of both small and large intestine w fistula
Long Description: Crohn's disease of both small and large intestine with fistula
Code Classification
Diseases of the digestive system ( K00–K93)
Noninfective enteritis and colitis ( K50-K52)
Crohn's disease [regional enteritis] ( K50)
Index to Diseases and Injuries
The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code (s). The following references for the code K50.813 are found in the index: - Enteritis (acute) (diarrheal) (hemorrhagic) (noninfective) - K52.9
- regional (of) - K50.90
- large intestine (colon) (rectum) - K50.10
- with
- complication - K50.119
- small intestine (duodenum) (ileum) (jejunum) involvement - K50.80
- with
- complication - K50.819
- fistula - K50.813
- small intestine (duodenum) (ileum) (jejunum) - K50.00
- with
- complication - K50.019
- large intestine (colon) (rectum) involvement - K50.80
- with
- complication - K50.819
- fistula - K50.813
Approximate Synonyms
The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code: Complication due to Crohn's disease of large intestine
Complication due to Crohn's disease of small and large intestines
Complication due to Crohn's disease of small intestine
Fistula of intestine due to Crohn's disease of small and large intestine
Convert K50.813 to ICD-9 Code
555.2 - Reg enterit sm/lg intest (Combination Flag)
569.81 - Intestinal fistula (Combination Flag)
Information for Patients
Crohn's Disease
Also called: Regional enteritis, Regional ileitis
Crohn's disease causes inflammation of the digestive system. It is one of a group of diseases called inflammatory bowel disease.