NF01.2

ICD-11 MMS 2026-01

Heat exhaustion due to fluid depletion

Description

A failure of thermoregulatory sweating on exposure to heat as a result of water deprivation and/or inadequate replacement of fluids lost through sweating or by other means (e.g. severe diarrhoea). If untreated this may progress to heat stroke.

Index terms

  • Heat exhaustion due to fluid depletion
  • Heat exhaustion resulting from water deprivation
  • Heat prostration due to water depletion
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  • Heat prostration resulting from lack of water
  • heat exhaustion due to water depletion

Inclusions

  • Heat prostration due to water depletion

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

Sibling codes

  • NF01.0 – Heat stroke
  • NF01.1 – Heat syncope
  • NF01.3 – Heat fatigue, transient
  • NF01.Y – Other specified effects of heat
  • NF01.Z – Effects of heat, unspecified

Foundation entity

Heat exhaustion due to fluid depletion – http://id.who.int/icd/entity/1294461448

Allowed postcoordination axes

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