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univadis
IHSDiagnosisICD-10
6.3.4Headache attributed to cavernous angioma [D18.0]G44.811  
Coded elsewhere Headache attributed to cerebral haemorrhage or seizure secondary to cavernous angioma is coded as 6.2.1 Headache attributed to intracerebral haemorrhage or 7.6 Headache attributed to epileptic seizure.

Diagnostic criteria:

  1. Any new acute headache fulfilling criterion C
  2. Neuroimaging evidence of cavernous angioma
  3. Evidence exists of causation by the cavernous angioma
  4. Subarachnoid haemorrhage, intracerebral haemorrhage and other causes of headache ruled out by appropriate investigations

Comment:

Cavernous angiomas are increasingly recognised on MRI. There is no good study devoted to headache associated with these malformations. Headache is commonly reported as a consequence of cerebral haemorrhage or of seizures due to cavernous angioma; and should be coded to these accordingly.

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