Poisoning by sulfonamides, accidental, sequela

This code signifies a long-term or residual effect resulting from an accidental overdose or adverse reaction to a sulfonamide antibiotic. These sequelae can manifest as chronic organ damage, persistent neurological issues, or other lasting health problems directly attributable to the initial poisoning event.

Apply this code when documenting a patient presenting with a current condition that is a direct consequence of a past, unintentional sulfonamide poisoning. This is appropriate for follow-up visits addressing chronic kidney disease, liver damage, or neuropathy that developed after an accidental ingestion or misadministration of a sulfa drug.

• Always sequence this code after the code(s) for the specific sequela being treated.
• Ensure documentation clearly links the current condition to a past accidental sulfonamide poisoning.
• Do not use for acute poisoning events; this code is exclusively for residual effects.