DD90.3

ICD-11 MMS 2026-01

Functional dyspepsia

Description

Functional dyspepsia is a disorder defined as the presence of dyspepsia symptoms thought to originate from the gastroduodenal region, in the absence of any organic, systemic, or metabolic disease that is likely to explain the symptoms such as epigastric pain, epigastric burning, postprandial fullness, and early satiation.

Index terms

  • Functional dyspepsia
  • Indigestion
  • gastrointestinal distress
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  • gastrointestinal disturbance
  • gastrointestinal irritation
  • gastrointestinal upset
  • indigestion acid
  • non-ulcer dyspepsia
  • stomach upset
  • Postprandial distress syndrome
  • Atonic dyspepsia

Inclusions

  • Indigestion
  • Postprandial distress syndrome

Excludes

  • MD92 – Dyspepsia NOS
  • MD95 – Heartburn

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

  • DD90.0 – Globus
  • DD90.1 – Functional swallowing disorder
  • DD90.2 – Functional heartburn
  • DD90.4 – Functional nausea or vomiting
  • DD90.5 – Functional belching disorders
  • DD90.6 – Adult rumination syndrome
  • DD90.Y – Other specified functional oesophageal or gastroduodenal disorders
  • DD90.Z – Functional oesophageal or gastroduodenal disorders, unspecified

Foundation entity

Functional dyspepsia – http://id.who.int/icd/entity/1616929118

Allowed postcoordination axes

Part of: DD90: Functional oesophageal or gastroduodenal disorders › 13: Diseases of the digestive system