Toxic effect of carbon dioxide, intentional self-harm, init

This code signifies a patient presenting with adverse health effects resulting from deliberate self-exposure to carbon dioxide. The intent is to cause harm to oneself, and the encounter represents the initial phase of treatment for these effects.

Apply this code when documenting a patient who has intentionally inhaled or otherwise exposed themselves to carbon dioxide with suicidal or self-harming intent. This is appropriate for the initial hospital visit or emergency department encounter where the poisoning is first diagnosed and managed.

• Ensure documentation clearly states the intentional nature of the carbon dioxide exposure.
• Confirm this is the first encounter for this specific poisoning event; subsequent encounters will use a different seventh character.
• Always sequence this code first, followed by codes for any associated physical manifestations or injuries.