NF01.0

ICD-11 MMS 2026-01

Heat stroke

Description

Elevation of core body temperature above 40.6 degrees centigrade due to environmental heat exposure and a failure of thermoregulation. This is a potentially fatal disorder, particularly in infants and children.

Index terms

  • Heat stroke
  • environmental hyperthermia
  • heat apoplexy
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  • heat fever
  • heat hyperpyrexia
  • heat pyrexia
  • heat stress
  • heat-induced hyperthermia
  • heatstroke
  • Sunstroke
  • siriasis
  • sun stroke

Excludes

  • NF06.0 – Exertional heat stroke

Exclusions from above levels

  • EJ40 – Sunburn
  • http://id.who.int/icd/entity/163532889 – Burns
  • http://id.who.int/icd/entity/484607000 – Dermatoses provoked by heat or electricity
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  • NE86 – Malignant hyperthermia due to anaesthesia
  • FB80.7 – Malunion of fracture
  • FB80.8 – Nonunion of fracture
  • FB80.A – Stress fracture, not elsewhere classified
  • FB80.B – Pathological fracture
  • http://id.who.int/icd/entity/624443803 – Birth injury
  • JB0A – Certain specified obstetric trauma

Foundation children elsewhere

  • KD10 – Environmental hyperthermia of newborn

Sibling codes

  • NF01.1 – Heat syncope
  • NF01.2 – Heat exhaustion due to fluid depletion
  • NF01.3 – Heat fatigue, transient
  • NF01.Y – Other specified effects of heat
  • NF01.Z – Effects of heat, unspecified

Foundation entity

Heat stroke – http://id.who.int/icd/entity/965393145

Allowed postcoordination axes

Part of: NF01: Effects of heat › 22: Injury, poisoning or certain other consequences of external causes