What is the external cause code for a passenger involved in a motor vehicle accident that hit a guardrail?

The correct external cause code for a passenger involved in a motor vehicle accident that hit a guardrail is Y92.411. This code specifically identifies the scenario of a passenger in a motor vehicle accident where the vehicle is in a non-collision incident, which signifies that the vehicle is involved in a collision with an object, such as a guardrail.

In the context of coding, the first part of the code (Y92) indicates an external cause of morbidity. The subsequent numbers determine the specific type of incident and location. Y92.411 points to the passenger being in a vehicle that has collided with a fixed object, which encompasses guardrails.

This level of specificity ensures that healthcare providers can classify the injuries accurately based on the mechanism and context of the accident, ultimately aiding in data collection and analysis of traffic-related incidents.