Oth shellfish poisoning, accidental (unintentional), init

This code signifies an adverse health event resulting from the accidental ingestion of contaminated shellfish, excluding ciguatera or paralytic, neurotoxic, or amnesic shellfish poisoning. Symptoms can vary but often include gastrointestinal distress, neurological symptoms, or allergic reactions. The poisoning is due to toxins naturally occurring in the shellfish, not bacterial contamination.

Apply this code when a patient presents with symptoms of poisoning after unintentionally consuming shellfish other than those specifically categorized as ciguatera or paralytic, neurotoxic, or amnesic. This code is for the initial encounter for treatment of the acute poisoning. Examples include poisoning from unknown shellfish toxins or those not otherwise specified.

• Ensure documentation clearly states the poisoning was accidental and due to shellfish, excluding specific types of shellfish poisoning.
• Confirm this is the patient's first encounter for this specific poisoning episode.
• Code any associated symptoms or manifestations of the poisoning separately, if applicable.