Crohn disease

Description

Crohn disease is characterised by chronic and relapsing transmural inflammation extending through all layers of the small and/or large intestinal walls and has potential to involve the patient’s entire gastrointestinal tract.

Inclusions

Granulomatous enteritis
Intestinal ulcer and erosion due to Crohn disease
Regional enteritis

Excludes

DD71 – Ulcerative colitis

Exclusions from above levels

01 – Certain infectious or parasitic diseases
02 – Neoplasms
05 – Endocrine, nutritional or metabolic diseases

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06 – Mental, behavioural or neurodevelopmental disorders
18 – Complications of pregnancy, childbirth and the puerperium
22 – Injury, poisoning or certain other consequences of external causes

Child codes

DD70.0 – Crohn disease of upper gastrointestinal tract
DD70.1 – Crohn disease of small intestine
DD70.2 – Crohn disease of appendix
DD70.3 – Crohn disease of large intestine
DD70.4 – Crohn disease of anal region
DD70.5 – Crohn disease of both small and large intestine
DD70.6 – Crohn disease of anastomotic sites
DD70.Y – Crohn disease of other specified site
DD70.Z – Crohn disease, unspecified site

Sibling codes

DD71 – Ulcerative colitis
DD72 – Indeterminate colitis
DD7Y – Other specified inflammatory bowel diseases
DD7Z – Inflammatory bowel diseases, unspecified

Foundation entity

Crohn disease – http://id.who.int/icd/entity/1267652425

Allowed postcoordination axes

Part of: 13: Diseases of the digestive system