This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Concept of health and disease, Subject name: Social & Preventive Medicine
ICD - 10 code in XXI includes all except 
Select and explain. 
A. Lack of exercise, B. Alcoholism, C. Poisoning, D. Unhealthy found
C: Poisoning
Answer: C: Poisoning 
Explanation: Chapter XXI includes factors influencing health status and contact with health services Ref : Park&;s textbook of preventive and social medicine; 23rd edition - page no 50