Toxic effect of unspecified pesticide, undetermined, sequela

This code signifies a long-term health problem or complication resulting from exposure to an unknown pesticide, where the intent of the exposure (accidental, intentional self-harm, assault) cannot be determined. It indicates that the acute phase of the poisoning has passed, and the patient is now experiencing residual effects.

Apply this code when documenting chronic conditions or lasting sequelae directly attributable to a past pesticide exposure of an unspecified type, and the circumstances surrounding the exposure remain unclear. This is appropriate for follow-up encounters after the initial poisoning event has resolved.

• Always assign this code as a secondary diagnosis, following the code for the specific sequela.
• Ensure documentation clearly links the current condition to a past, undetermined pesticide exposure.
• Avoid using this code for acute poisoning events; instead, use the acute poisoning codes from the T60.9X- series.