It is the pathological accumulation of blood within the cranium. This may occur within the brain parenchyma or the surrounding meningeal spaces.
14-15: Mild
9-13: Moderate
3-8: Severe
Traumatic intracerebral hemorrhage
Intra-axial
Subdural hemorrhage
Hemorrhagic stroke 
Traumatic hyphema
Subarachnoid hemorrhage
Extra-axial
Subdural empyema