Categories of Traumatic Brain Injuries

MILD
  • Loss of consciousness for less than 30 minutes
  • Alteration of consciousness for up to 24 hours
  • Amnesia for less than or equal to one day
  • Glasgow Coma score of 13-15
MODERATE
  • Loss of consciousness for more than 30 minutes, but less than 24 hours
  • Alteration of consciousness for more than 24 hours
  • Amnesia for two or more days, but less than seven days
  • Glasgow Coma score of 9-12
SEVERE
  • Loss of consciousness for greater than 24 hours
  • Alteration of consciousness for more than 24 hours
  • Amnesia for seven or more days
  • Glasgow Coma score of 3-8