Toxic effect of carb monx from mtr veh exhaust, asslt, init

This code signifies poisoning due to carbon monoxide exposure specifically originating from motor vehicle exhaust, in a situation where the exposure was intentionally inflicted by another person. The patient is in the initial phase of treatment for this toxic effect.

Apply this code when documenting a patient presenting with symptoms of carbon monoxide poisoning, and the medical record clearly indicates the source was exhaust fumes from a motor vehicle, and the exposure was a result of an assault. This code is appropriate for the initial visit or encounter for this specific poisoning event.

• Ensure the documentation explicitly states "assault" as the intent of the carbon monoxide exposure.
• Verify the source of the carbon monoxide is specifically identified as "motor vehicle exhaust."
• Confirm this is the first encounter for the treatment of this particular poisoning episode.