8A81.Z

ICD-11 MMS 2026-01

Tension-type headache, unspecified

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

  • 8A81.0 – Infrequent episodic tension-type headache
  • 8A81.1 – Frequent episodic tension-type headache
  • 8A81.2 – Chronic tension-type headache
  • 8A81.Y – Other specified tension-type headache

Foundation entity

Tension-type headache – http://id.who.int/icd/entity/1410019257

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