Headache caused by non-traumatic intracranial haemorrhage and persisting for more than 3 months after the haemorrhage has stabilized.
- Headache previously diagnosed as 6.2.1 Acute headache attributed to non-traumatic intracerebral haemorrhage, 6.2.2 Acute headache attributed to non-traumatic subarachnoid haemorrhage or 6.2.3 Acute headache attributed to non-traumatic acute subdural haemorrhage and fulfilling criterion C
- The intracranial haemorrhage (of whichever type) has stabilized, spontaneously or through treatment
- Headache has persisted for >3 months after stabilization of the intracranial haemorrhage
- Not better accounted for by another ICHD-3 diagnosis.
A few studies have documented headaches meeting the criteria for 6.2.4 Persistent headache attributed to past non-traumatic intracranial haemorrhage. Research is needed to identify risk factors for such persistent headache; previous history of 1. Migraine may play a role, as may anxiety/depression.
Codable subforms are 18.104.22.168 Persistent headache attributed to past non-traumatic intracerebral haemorrhage, 22.214.171.124 Persistent headache attributed to past non-traumatic subarachnoid haemorrhage and 126.96.36.199 Persistent headache attributed to past non-traumatic acute subdural haemorrhage.