8A81.2 Chronic tension-type headache
International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01
A disorder evolving from frequent episodic tension-type headache, with daily or very frequent episodes of headache, typically bilateral, pressing or tightening in quality and of mild to moderate intensity, lasting hours to days, or unremitting. The pain does not worsen with routine physical activity, but may be associated with mild nausea, photophobia or phonophobia.
postcoordination
Add Stem and/or Extension codes to form a cluster code which adds detail to the condition.
Associated with - multiple selections are allowed
Has severity - only one may be selected
Has alternative severity1 - only one may be selected
Has alternative severity2 - only one may be selected
Temporal pattern and onset - only one may be selected
synonyms
- Chronic tension-type headache
- Chronic tension-type headache associated with pericranial tenderness
- Chronic tension-type headache not associated with pericranial tenderness
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