8A81.0

ICD-11 MMS 2026-01

Infrequent episodic tension-type headache

Description

Infrequent episodes of headache, typically bilateral, pressing or tightening in quality and of mild to moderate intensity, lasting minutes to days. The pain does not worsen with routine physical activity and is not associated with nausea, but photophobia or phonophobia may be present.

Index terms

  • Infrequent episodic tension-type headache
  • Infrequent episodic tension-type headache associated with pericranial tenderness
  • Infrequent episodic tension-type headache not associated with pericranial tenderness

Exclusions from above levels

  • 8A83 – New daily-persistent headache
  • MB4D – Headache, not elsewhere classified
  • 05 – Endocrine, nutritional or metabolic diseases
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  • 18 – Complications of pregnancy, childbirth and the puerperium
  • 19 – Certain conditions originating in the perinatal period
  • 22 – Injury, poisoning or certain other consequences of external causes

Sibling codes

  • 8A81.1 – Frequent episodic tension-type headache
  • 8A81.2 – Chronic tension-type headache
  • 8A81.Y – Other specified tension-type headache
  • 8A81.Z – Tension-type headache, unspecified

Foundation entity

Infrequent episodic tension-type headache – http://id.who.int/icd/entity/1097106734

Part of: 8A81: Tension-type headache › 08: Diseases of the nervous system