DD91.03

ICD-11 MMS 2026-01

Irritable bowel syndrome, unsubtyped

Index terms

  • Irritable bowel syndrome, unsubtyped
  • IBS-U - [Irritable bowel syndrome, unsubtyped]

Exclusions from above levels

  • 6B23 – Hypochondriasis
  • 6C20 – Bodily distress disorder
  • 21 – Symptoms, signs or clinical findings, not elsewhere classified
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  • 01 – Certain infectious or parasitic diseases
  • 02 – Neoplasms
  • 05 – Endocrine, nutritional or metabolic diseases
  • 06 – Mental, behavioural or neurodevelopmental disorders
  • 18 – Complications of pregnancy, childbirth and the puerperium
  • 22 – Injury, poisoning or certain other consequences of external causes

Sibling codes

  • DD91.00 – Irritable bowel syndrome, constipation predominant
  • DD91.01 – Irritable bowel syndrome, diarrhoea predominant
  • DD91.02 – Irritable bowel syndrome, mixed type
  • DD91.0Z – Irritable bowel syndrome, type unspecified

Foundation entity

Irritable bowel syndrome, unsubtyped – http://id.who.int/icd/entity/1286327510

Allowed postcoordination axes

Part of: DD91.0: Irritable bowel syndrome › DD91: Irritable bowel syndrome or certain specified functional bowel disorders › 13: Diseases of the digestive system