8A83

ICD-11 MMS 2026-01

Other primary headache disorder

Description

A group of clinically heterogeneous headache disorders, believed to be primary. Although largely unrelated, they fall into four categories: headaches associated with physical exertion; headaches attributed to direct physical but innocuous stimuli; epicranial headaches; and other miscellaneous primary headache disorders.

Index terms

  • Other primary headache disorder
  • Primary cough headache
  • Primary exercise headache
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  • Primary headache associated with sexual activity
  • Preorgasmic headache
  • Orgasmic headache
  • Primary thunderclap headache
  • Cold-stimulus headache
  • Headache due to external application of a cold stimulus
  • Headache due to ingestion or inhalation of a cold stimulus
  • External compression headache
  • Primary stabbing headache
  • Nummular headache
  • Hypnic headache
  • New daily-persistent headache
  • NDPH - [New daily-persistent headache]

Exclusions from above levels

  • MB4D – Headache, not elsewhere classified
  • 05 – Endocrine, nutritional or metabolic diseases
  • 18 – Complications of pregnancy, childbirth and the puerperium
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  • 19 – Certain conditions originating in the perinatal period
  • 22 – Injury, poisoning or certain other consequences of external causes

Sibling codes

  • 8A80 – Migraine
  • 8A81 – Tension-type headache
  • 8A82 – Trigeminal autonomic cephalalgias
  • 8A84 – Secondary headache
  • 8A85 – Painful cranial neuropathies or other facial pains
  • 8A8Y – Other specified headache disorders
  • 8A8Z – Headache disorders, unspecified

Foundation entity

Other primary headache disorder – http://id.who.int/icd/entity/1350703173

Part of: 08: Diseases of the nervous system