Other fish poisoning, undetermined, subsequent encounter

This code signifies a documented case of poisoning resulting from the ingestion of fish, where the specific type of fish or toxin is not identified. The patient is receiving follow-up care for the sequelae or ongoing treatment related to this poisoning event.

Apply this code when a patient presents for continued management of symptoms or complications arising from an unspecified fish poisoning. This includes situations where the initial acute phase has passed, and the patient is in recovery or undergoing further evaluation. It is appropriate for encounters after the initial diagnosis and treatment.

• Ensure documentation clearly indicates a "subsequent encounter" for the poisoning.
• Only use when the specific type of fish or toxin causing the poisoning is truly undetermined.
• Code any specific symptoms or complications of the poisoning separately, if applicable.