Poisoning by other viral vaccines, undetermined, sequela

This code signifies a long-term health problem or residual effect resulting from a past poisoning by a viral vaccine, where the intent of the poisoning (accidental, intentional self-harm, assault, or undetermined) could not be established. It indicates that the acute phase of the poisoning has passed, and the patient is now experiencing a chronic or lasting consequence.

Use this code when documenting a patient presenting with a sequela (e.g., chronic neurological deficit, persistent organ damage) directly attributable to a previous, unclarified poisoning event involving a viral vaccine. This applies when the initial poisoning occurred in the past, and the current encounter is for the management of the lasting effects.

• Always sequence this sequela code first, followed by codes for the specific residual condition(s) being treated.
• Ensure documentation clearly links the current sequela to a past viral vaccine poisoning.
• This code is for "undetermined" intent; avoid using it if the intent (e.g., accidental, intentional) was clearly documented at the time of the acute poisoning.