Irritable bowel syndrome

Definition

Irritable bowel syndrome (IBS) is a functional bowel disorder in which abdominal pain or discomfort is associated with defecation or a change in bowel habit, and with features of disordered defecation.

Inclusions

• irritable colon

5 subordinate codes

• DD91.00Irritable bowel syndrome, constipation predominant
• DD91.01Irritable bowel syndrome, diarrhoea predominant
• DD91.02Irritable bowel syndrome, mixed type
• DD91.03Irritable bowel syndrome, unsubtyped
• 4B4ZDiseases of the immune system, unspecified

Nearby in Irritable bowel syndrome or certain specified functional bowel disorders

• DD91.1Functional constipation
• DD91.2Functional diarrhoea
• DD91.3Functional bloating
• DD91.4Functional abdominal pain syndrome
• 4B4YOther specified diseases of the immune system
• 4B4ZDiseases of the immune system, unspecified