
Concussion
- A violent jar or shock, or the condition which results from such an injury.

Concussion with no loss of consciousness

Concussion with brief loss of consciousness

Concussion with loss of consciousness of 30 minutes or less

Concussion with loss of consciousness from 31 to 59 minutes

Concussion with moderate loss of consciousness

Concussion with prolonged loss of consciousness and return to pre-existing conscious level

Concussion with prolonged loss of consciousness without return to pre-existing conscious level

Concussion with loss of consciousness of unspecified duration

Concussion unspecified
- A violent jar or shock, or the condition which results from such an injury.