Toxic effect of contact w venomous marine plant, acc, subs

This code signifies a toxic reaction resulting from accidental contact with a venomous marine plant, such as certain types of algae or seaweed that release toxins. The patient is experiencing ongoing effects or complications from the initial exposure, or is receiving follow-up care for the injury.

Apply this code when documenting a patient's subsequent visit for symptoms like persistent skin irritation, systemic reactions, or wound management following an unintentional encounter with a toxic marine plant. This includes follow-up appointments for monitoring, medication adjustments, or further treatment after the initial acute phase.

• Ensure the documentation clearly states the encounter is for follow-up care or ongoing treatment related to the initial toxic exposure.
• Verify the exposure was accidental and not intentional self-harm or assault.
• Always sequence this code after the primary diagnosis for the specific toxic effect or injury if applicable.