In simple words: This code is used when someone is intentionally injured by being hit or run over with a motor vehicle.

Assault by crashing of motor vehicle. This includes deliberately hitting or running over someone with a motor vehicle.

Example 1: A patient presents to the ER with multiple fractures after being intentionally hit by a car driven by their estranged spouse. The estranged spouse was apprehended by the police at the scene. The code Y03 would be used as a secondary code to the codes for the fractures., A patient is brought to the hospital after being run over by a vehicle during what witnesses describe as an altercation.The driver of the vehicle fled the scene. Law enforcement is investigating. The code Y03 is used as a secondary diagnosis., A pedestrian is intentionally struck by a motorist during a road rage incident. Witnesses provide statements, and traffic camera footage confirms the deliberate act. Y03 is reported along with the codes for the injuries sustained.

Documentation should clearly indicate that the incident was an assault, not an accident. Details about the event, witness testimonies, police reports, and any evidence of intent should be included in the medical record.

** This code is used as a secondary code to the code(s) describing the injury itself. Y03 should not be used for injuries due to legal intervention (Y35.-), operations of war (Y36.-), or terrorism (Y38.-). It is important to differentiate between an accident and intentional harm when using this code.