8E49

ICD-11 MMS 2026-01

Postviral fatigue syndrome

Index terms

  • Postviral fatigue syndrome
  • Akureyri disease
  • Benign myalgic encephalomyelitis
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  • CFS - [chronic fatigue syndrome]
  • Iceland disease
  • Icelandic disease
  • ME - [myalgic encephalomyelitis]
  • ME/CFS – [myalgic encephalomyelitis/chronic fatigue syndrome]
  • PVFS - [postviral fatigue syndrome]
  • chronic fatigue syndrome
  • epidemic neuromyasthenia
  • myalgic encephalomyelitis
  • myalgic encephalomyelitis syndrome
  • myalgic encephalomyelitis/chronic fatigue syndrome
  • neuromyasthenia

Inclusions

  • chronic fatigue syndrome
  • myalgic encephalomyelitis

Excludes

Exclusions from above levels

  • 05 – Endocrine, nutritional or metabolic diseases
  • 18 – Complications of pregnancy, childbirth and the puerperium
  • 19 – Certain conditions originating in the perinatal period
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  • 22 – Injury, poisoning or certain other consequences of external causes

Sibling codes

  • 8E40 – Disorders of the meninges excluding infection
  • 8E41 – Pachymeningitis
  • 8E42 – Superficial siderosis of the nervous system
  • 8E43 – Pain disorders
  • 8E44 – Post anoxic brain damage
  • 8E45 – Locked-in syndrome
  • 8E46 – Reye syndrome
  • 8E47 – Encephalopathy, not elsewhere classified
  • 8E48 – Encephalitis, not elsewhere classified
  • 8E4A – Paraneoplastic or autoimmune disorders of the nervous system

Foundation entity

Postviral fatigue syndrome – http://id.who.int/icd/entity/569175314

Part of: 08: Diseases of the nervous system