07

ICD-11 MMS 2026-01

Sleep-wake disorders

Description

Sleep-wake disorders are characterised by difficulty initiating or maintaining sleep (insomnia disorders), excessive sleepiness (hypersomnolence disorders), respiratory disturbance during sleep (sleep-related breathing disorders), disorders of the sleep-wake schedule (circadian rhythm sleep-wake disorders), abnormal movements during sleep (sleep-related movement disorders), or problematic behavioural or physiological events that occur while falling asleep, during sleep, or upon arousal from sleep (parasomnia disorders).

Child codes

  • 7B2Y – Other specified sleep-wake disorders
  • 7B2Z – Sleep-wake disorders, unspecified

Sibling codes

  • 01 – Certain infectious or parasitic diseases
  • 02 – Neoplasms
  • 03 – Diseases of the blood or blood-forming organs
  • 04 – Diseases of the immune system
  • 05 – Endocrine, nutritional or metabolic diseases
  • 06 – Mental, behavioural or neurodevelopmental disorders
  • 08 – Diseases of the nervous system
  • 09 – Diseases of the visual system
  • 10 – Diseases of the ear or mastoid process
  • 11 – Diseases of the circulatory system
  • 12 – Diseases of the respiratory system
  • 13 – Diseases of the digestive system
  • 14 – Diseases of the skin
  • 15 – Diseases of the musculoskeletal system or connective tissue
  • 16 – Diseases of the genitourinary system
  • 17 – Conditions related to sexual health
  • 18 – Pregnancy, childbirth or the puerperium
  • 19 – Certain conditions originating in the perinatal period
  • 20 – Developmental anomalies
  • 21 – Symptoms, signs or clinical findings, not elsewhere classified
  • 22 – Injury, poisoning or certain other consequences of external causes
  • 23 – External causes of morbidity or mortality
  • 24 – Factors influencing health status or contact with health services
  • 25 – Codes for special purposes
  • 26 – Supplementary Chapter Traditional Medicine Conditions
  • V – Supplementary section for functioning assessment
  • X – Extension Codes

Foundation entity

Sleep-wake disorders – http://id.who.int/icd/entity/274880002