Toxic effect of phenol and phenol homologues, assault, init

This code signifies a harmful reaction in a patient due to exposure to phenol or its related chemical compounds. The exposure was intentionally inflicted by another party, and this encounter represents the initial presentation for treatment. The toxic effects can range from localized skin burns to systemic organ damage depending on the route and extent of exposure.

Apply this code when documenting a patient presenting with symptoms or signs of poisoning from phenol or phenol homologues, and medical records clearly indicate the exposure was the result of an assault. This is appropriate for the initial visit where the toxic effects are first evaluated and managed. Subsequent encounters for ongoing treatment of the same poisoning would use a different encounter character.

• Ensure documentation explicitly states the toxic agent is phenol or a homologue and that the intent was assault.
• Always assign an external cause code (e.g., Y07.-) in conjunction with this code to fully describe the circumstances of the assault.
• Confirm this is the patient's first encounter for this specific toxic effect; otherwise, use the appropriate subsequent or sequela encounter character.