Poisoning by oth vaccines and biolg substances, acc, subs

This code signifies an adverse reaction or poisoning resulting from the accidental or unintentional administration of a vaccine or other biological substance. It indicates that the patient is receiving follow-up care for this specific poisoning event, not the initial treatment.

This code is appropriate for documenting subsequent encounters where a patient is being managed for complications arising from an accidental overdose, incorrect vaccine type, or other unintentional exposure to a biological agent. Examples include follow-up visits for persistent symptoms or monitoring after an accidental administration of an expired vaccine.

• Always sequence this code after the primary diagnosis indicating the specific manifestation of the poisoning.
• Ensure documentation clearly states the poisoning was accidental and that this is a subsequent encounter for treatment.
• Consider additional codes for specific symptoms or adverse effects experienced by the patient.