Secondary headache

Subcategories

• 8A84.0 Acute headache associated with traumatic injury to the head

  Headache of less than three months’ duration associated with traumatic injury to the head. [1]

• 8A84.1 Persistent headache associated with traumatic injury to the head

  Headache of greater than three months’ duration caused by traumatic injury to the head. [1]

References

1. World Health Organization. International Classification of Diseases, 11th Revision, for Mortality and Morbidity Statistics (ICD-11 MMS), 2026-01 release. World Health Organization; 2026.

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