Crohn disease

Definition

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

Exclusions

• Ulcerative colitis (DD71)

9 subordinate codes

• DD70.0Crohn disease of upper gastrointestinal tract
• DD70.1Crohn disease of small intestine
• DD70.2Crohn disease of appendix
• DD70.3Crohn disease of large intestine
• DD70.4Crohn disease of anal region
• DD70.5Crohn disease of both small and large intestine
• DD70.6Crohn disease of anastomotic sites
• 4B4YOther specified diseases of the immune system
• 4B4ZDiseases of the immune system, unspecified

Nearby in Inflammatory bowel diseases

• DD71Ulcerative colitis
• DD72Indeterminate colitis
• 4B4YOther specified diseases of the immune system
• 4B4ZDiseases of the immune system, unspecified