K50.9
Non-billableCrohn's disease, unspecified
Crohn's disease, unspecified
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included under this code
- noninfective inflammatory bowel disease
- granulomatous enteritis
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
Use Additional Code
Additional codes that should follow this code
- code to identify any associated fistulas, if applicable:
- •anal fistulaK60.3
- •anorectal fistulaK60.5
- •rectal fistulaK60.4
Child Codes (2)
Related Codes(3)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(41)
UMLS
- CD - Crohn's diseaseC0010346
- CROHN DISC0010346
- CROHN DISEASEC0010346
- CROHNS DISC0010346
- Crohn DiseaseC0010346
- Crohn diseaseC0010346
- Crohn'sC0010346
- Crohn's DiseaseC0010346
- Crohn's EnteritisC0010346
- Crohn's diseaseC0010346
- Crohn's disease (disorder)C0010346
- Crohn's disease NOSC0010346
- Crohn's disease [regional enteritis]C0010346
- Crohn's disease, unspecifiedC0010346
- Crohn's enteritisC0010346
- Crohns DiseaseC0010346
- Crohns diseaseC0010346
- Disease CrohnsC0010346
- Granulomatous enteritis and colitisC0010346
- IBD1C0010346
- INFLAMMATORY BOWEL DISEASE (CROHN DISEASE) 1C0010346
- Inflammatory Bowel Disease 1C0010346
- Morbus CrohnC0010346
- REGIONAL ENTERITISC0010346
- Regional EnteritisC0010346
- Regional enteritisC0010346
- crohn diseasesC0010346
- crohn sC0010346
- crohn s diseaseC0010346
- crohn's diseasesC0010346
- crohns diseaseC0010346
- crohns diseasesC0010346
- crohns'sC0010346
- crohns's diseaseC0010346
- disease crohnC0010346
- disease crohn'sC0010346
- eleocolitisC0010346
- enteritis (regional)C0010346
- enteritis regionalC0010346
- granulomatous enteritisC0010346
- regional enteritisC0010346
Frequently Asked Questions
What is the ICD-10 code for crohn's disease, unspecified?
The ICD-10-CM code for crohn's disease, unspecified is K50.9. The full clinical description is "Crohn's disease, unspecified". K50.9 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code K50.9 mean?
ICD-10-CM code K50.9 represents “Crohn's disease, unspecified”. It is classified under Chapter 11: Diseases of the Digestive System and is a non-billable header code. Use a more specific child code for billing purposes.
Is K50.9 a billable code?
No, K50.9 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under K50.9.
What chapter is K50.9 in?
K50.9 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).
What codes cannot be used with K50.9?
K50.9 has Excludes1 notes indicating codes that cannot be used together with it, including: irritable bowel syndrome (K58.-); megacolon (K59.3-); ulcerative colitis (K51.-).
What are the subcategories under K50.9?
K50.9 has 2 child codes, including: K50.90 (Crohn's disease, unspecified, without complications), K50.91 (Crohn's disease, unspecified, with complications).
Are additional codes required with K50.9?
Yes, when using K50.9, also report: any associated fistulas, if applicable:; anal fistula (K60.3-); anorectal fistula (K60.5-); rectal fistula (K60.4-).
What are the UMLS CUIs for K50.9?
K50.9 is linked to 1 UMLS Concept Unique Identifier: C0010346. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does K50.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like crohn's disease, unspecified affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of K50.9?
K50.9 maps to the ICD-11 code: DD70.Z (Crohn disease, unspecified site).
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.