MB20.1

ICD-11 MMS 2026-01

Coma

Description

Acute state lasting more than one hour and usually less than a month. The comatose patient is unresponsive, lying with their eyes closed and cannot be aroused even by vigorous and noxious stimuli. Motor responses to noxious stimulation are limited to reflexive behaviour. Etiologies include but are not limited to traumatic, anoxic, infectious, neoplastic, vascular, inflammatory and metabolic brain injuries.

Index terms

  • Coma
  • Coma, NOS
  • Unconsciousness, NOS
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  • comatose
  • exanimation
  • unconsciousness
  • Glasgow Coma Scale, eyes opening
  • Glasgow Coma Scale, eyes opening, never
  • Glasgow Coma Scale, eyes open, never
  • Glasgow Coma Scale, eyes opening, score 1
  • coma scale, eyes open, score 1
  • coma scale, eyes opening, score 1
  • Glasgow Coma Scale, eyes opening, to pressure
  • Glasgow Coma Scale, eyes opening, to pain
  • Glasgow Coma Scale, eyes opening, to pressure, score 2
  • coma scale, eyes open, to pain
  • coma scale, eyes open, to pain, score 2
  • Glasgow Coma Scale, eyes opening, to sound
  • Glasgow Coma Scale, eyes open to sound
  • Glasgow Coma Scale, eyes open, score 3
  • coma scale, eyes open, to sound, score 3
  • coma scale, eyes opening, to sound, score 3
  • Glasgow Coma Scale, eyes opening, spontaneously
  • coma scale, eyes open, spontaneous, score 4
  • coma scale, eyes opening, spontaneous, score 4
  • Glasgow Coma Scale, eyes opening, not testable
  • coma scale, eyes open, not testable, score NT
  • coma scale, eyes opening, not testable, score NT
  • Glasgow Coma Scale, best verbal response
  • Glasgow Coma Scale, best verbal response, none
  • coma scale, best verbal response, none, score 1
  • Glasgow Coma Scale, best verbal response, sounds
  • Glasgow Coma Scale, best verbal response, incomprehensible words or sounds
  • Glasgow Coma Scale, best verbal response, sounds, score 2
  • coma scale, best verbal response, incomprehensible words or sounds
  • coma scale, best verbal response, incomprehensible words or sounds, score 2
  • Glasgow Coma Scale, best verbal response, words
  • Glasgow Coma Scale, best verbal response, inappropriate words
  • Glasgow Coma Scale, best verbal response, words, score 3
  • coma scale, best verbal response, inappropriate words, score 3
  • coma scale, best verbal response, words, score 3
  • Glasgow Coma Scale, best verbal response, confused
  • Glasgow Coma Scale, best verbal response, confused conversation
  • coma scale, best verbal response, confused conversation
  • coma scale, best verbal response, confused conversation, score 4
  • coma scale, best verbal response, confused, score 4
  • Glasgow Coma Scale, best verbal response, oriented
  • coma scale, best verbal response, oriented, score 5
  • Glasgow Coma Scale, best verbal response, not testable
  • coma scale, best verbal response, not testable, score NT
  • Glasgow Coma Scale, best motor response
  • Glasgow Coma Scale, best motor response, none
  • coma scale, best motor response, none, score 1
  • flaccid response
  • Glasgow Coma Scale, best motor response, extension
  • coma scale, best motor response, extension, score 2
  • decerebrate posture
  • Glasgow Coma Scale, best motor response, abnormal flexion
  • coma scale, best motor response, abnormal flexion to pain, score 3
  • decorticate posture
  • Glasgow Coma Scale, best motor response, normal flexion
  • coma scale, best motor response, flexion withdrawal to pain
  • coma scale, best motor response, flexion withdrawal to pain, score 4
  • Glasgow Coma Scale, best motor response, localising
  • coma scale, best motor response, localises to pain
  • coma scale, best motor response, localises to pain, score 5
  • coma scale, best motor response, localising, score 5
  • Glasgow Coma Scale, best motor response, obeys commands
  • coma scale, best motor response, obeys commands, score 6
  • Glasgow Coma Scale, best motor response, not testable
  • coma scale, best motor response, not testable, score NT

Excludes

  • 5A23 – Diabetic coma
  • 5A41 – Nondiabetic hypoglycaemic coma
  • DB99.5 – Hepatic coma
  • GB61 – chronic uremic coma
  • KB03 – Neonatal coma

Exclusions from above levels

  • 6D70 – Delirium
  • KC01 – newborn uremic coma
  • MB23.N – Psychomotor retardation
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  • 19 – Certain conditions originating in the perinatal period
  • JA66 – Clinical findings on antenatal screening of mother

Sibling codes

  • MB20.0 – Stupor
  • MB20.2 – Clouding of consciousness
  • MB20.Y – Other specified symptoms, signs or clinical findings involving consciousness

Foundation entity

Coma – http://id.who.int/icd/entity/1328725971

Allowed postcoordination axes

Part of: MB20: Symptoms, signs or clinical findings involving consciousness › 21: Symptoms, signs or clinical findings, not elsewhere classified