8A81 Tension-type headache
International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01
A primary and highly prevalent headache disorder, in most cases episodic. Attacks of highly variable frequency and duration are characterised by mild-to-moderate headache without associated symptoms, although pericranial tenderness may be present. In a minority of cases the disorder evolves, with increasingly frequent headache and sometimes loss of episodicity.
exclusions
sections/codes in this section (8A81-8A81)
- Infrequent episodic tension-type headache (8A81.0)
- Frequent episodic tension-type headache (8A81.1)
- Chronic tension-type headache (8A81.2)
- Other specified tension-type headache (8A81.Y)
- Tension-type headache, unspecified (8A81.Z)
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