BC80.2

ICD-11 MMS 2026-01

Sinus node dysfunction

Description

Non-specific term that refers to abnormalities in sinus node impulse formation and propagation and includes sinus bradycardia, sinus pause/arrest, chronotropic incompetence, and sinoatrial exit block.

Exclusions from above levels

  • 01 – Certain infectious or parasitic diseases
  • 05 – Endocrine, nutritional or metabolic diseases
  • 18 – Complications of pregnancy, childbirth and the puerperium
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  • 19 – Certain conditions originating in the perinatal period
  • 20 – Congenital malformations, deformations and chromosomal abnormalities
  • 22 – Injury, poisoning or certain other consequences of external causes

Child codes

  • BC80.20 – Sick sinus syndrome
  • BC80.21 – Sinoatrial block
  • BC80.2Y – Other specified sinus node dysfunction
  • BC80.2Z – Sinus node dysfunction, unspecified

Sibling codes

  • BC80.0 – Sinus pause
  • BC80.1 – Sinus bradycardia
  • BC80.Y – Other specified supraventricular bradyarrhythmia
  • BC80.Z – Supraventricular bradyarrhythmia, unspecified

Foundation entity

Sinus node dysfunction – http://id.who.int/icd/entity/2117800107

Part of: BC80: Supraventricular bradyarrhythmia › 11: Diseases of the circulatory system