Poisoning by unsp psychostimulants, undetermined, sequela

This code indicates a long-term complication or condition resulting from a poisoning event involving an unspecified psychostimulant, where the intent of the poisoning (e.g., accidental, intentional self-harm, assault) could not be determined. It signifies that the acute phase of the poisoning has passed, but the patient is still experiencing residual effects.

This code is used when a patient presents with a sequela (late effect) directly attributable to a past poisoning by an unknown psychostimulant. This applies when the documentation clearly states the poisoning occurred, the substance was a psychostimulant, and the circumstances surrounding the poisoning remain unclear, and the patient is now being treated for a chronic or residual condition.

• Always ensure documentation explicitly links the current condition to a past psychostimulant poisoning.
• Only use this "S" (sequela) code for conditions that are residual effects, not for the acute poisoning event itself.
• Verify that the intent of the poisoning is truly "undetermined" in the medical record before assigning this specific code.