XIX: Injury, poisoning and certain other consequences of external causes

S00-S09: Injuries to the head

Injuries to the head, as classified by the ICD-10 S00-S09, encompass a range of conditions that result from trauma to the area from the neck up. These injuries can vary greatly in severity, from mild scrapes or bruises to significant harm such as skull fractures or brain damage. Common causes include falls, motor vehicle accidents, sports injuries, and acts of violence. Symptoms associated with head injuries depend on the specifics of the injury but often include pain, swelling, bruising, and, in more severe cases, disturbances to consciousness or neurological function. The progression of these conditions can also range widely, from a simple healing process to ongoing medical complications. Importantly, these injuries affect the nervous system, as the head houses the brain, a critical organ for bodily function.