In simple words: This code describes a situation where someone was injured while on the outside of a bus when it collided with a two- or three-wheeled motor vehicle, off the public highway. This is not the initial visit for this injury.

Person on outside of bus injured in collision with two- or three-wheeled motor vehicle in a nontraffic accident, subsequent encounter.

Example 1: A person hanging onto the outside of a moving bus in a parking lot is injured when the bus collides with a motorcycle. This is the patient's second visit related to the injury., A mechanic working on the outside of a parked bus is injured when a scooter crashes into the bus in private property. The patient is returning for a follow-up appointment., Someone riding on the roof of a bus is injured when the bus collides with a motorcycle in an off-road area. This is a subsequent encounter for this injury.

Documentation should support the fact that the injured person was on the outside of the bus, the collision involved a two or three-wheeled motor vehicle, and that the accident occurred in a nontraffic area. Records should also indicate that this is not the initial encounter for the injury.