Poisoning by antidiarrheal drugs, undetermined, subs encntr

This code signifies a poisoning event involving antidiarrheal medications where the intent (accidental, intentional self-harm, assault) cannot be determined. The patient is receiving active treatment for the poisoning, or the sequelae of the poisoning, after the initial encounter.

Apply this code when a patient presents for follow-up care, monitoring, or continued treatment related to an antidiarrheal drug poisoning. The initial cause of the poisoning remains unclear, and the encounter is not the first visit for this specific poisoning event.

• Always assign an additional code for the specific antidiarrheal drug if known.
• Ensure the "D" seventh character is appropriate for a subsequent encounter.
• Do not use this code for adverse effects or underdosing of antidiarrheal medications.