Poisoning by aspirin, undetermined, sequela

This code signifies a long-term complication or residual effect resulting from an aspirin poisoning where the intent of the poisoning (accidental, intentional self-harm, assault) cannot be determined. The initial acute phase of the poisoning has passed, and the patient is now experiencing a chronic condition directly attributable to the aspirin overdose.

Apply this code when documenting a patient presenting with a sequela, such as chronic kidney disease, tinnitus, or gastrointestinal ulcers, that is definitively linked to a past aspirin poisoning event of unknown intent. This code is appropriate for follow-up encounters after the acute poisoning has resolved and the patient is being treated for the lasting effects.

• Always use this code as a secondary diagnosis, following the code for the specific sequela (e.g., chronic kidney disease).
• Ensure documentation clearly links the current condition to a past aspirin poisoning and states the intent is undetermined.
• Do not use this code for acute aspirin poisoning; instead, refer to the appropriate acute poisoning codes.