Tox eff of carb monx fr incmpl combst dmst fuel, undet, init

This code signifies the initial presentation of poisoning due to carbon monoxide exposure originating from the incomplete burning of household fuels other than utility gas or motor vehicle exhaust. The specific intent of the exposure (e.g., accidental, intentional) is not determined.

Apply this code for patients presenting with symptoms of carbon monoxide toxicity, such as headache, nausea, dizziness, or confusion, where the source is identified as a domestic appliance or heating system using fuels like wood, coal, or kerosene, and the intent is unknown. This code is appropriate for the initial visit for this specific exposure.

• Ensure the documentation clearly states the source of carbon monoxide as an "other domestic fuel" and that the intent is "undetermined."
• Confirm this is the patient's first encounter for this particular carbon monoxide poisoning event.
• Do not use this code if the carbon monoxide source is utility gas, motor vehicle exhaust, or if the intent (e.g., accidental, intentional self-harm) is known.