Poisoning by oth antidysrhythmic drugs, self-harm, sequela

This code signifies a long-term consequence or complication resulting from a deliberate overdose or self-poisoning with an antidysrhythmic medication other than a potassium-channel blocker. It indicates that the acute event has passed, but the patient is still experiencing residual effects directly attributable to the intentional self-harm.

Use this code when documenting a patient presenting with a chronic condition or permanent injury that is a direct sequela of a past intentional self-poisoning with an antidysrhythmic drug (e.g., amiodarone, flecainide, propafenone, except potassium channel blockers). This applies to follow-up encounters where the focus is on managing these lasting effects, not the acute poisoning itself.

• Always sequence this code after the primary diagnosis describing the specific sequela (e.g., cardiac arrhythmia, organ damage).
• Ensure documentation clearly links the current condition to a past intentional self-harm event involving an antidysrhythmic drug.
• Do not use this code for acute poisoning events; instead, use the appropriate acute poisoning code with the 7th character "A" (initial encounter).