How are preventive healthcare visits billed to insurance companies? How are sick visits to the doctor billed to insurance companies? Is #1 different from #2?
Preventive healthcare
Preventive healthcare options are typically covered at no charge by health insurance. Sick visits to the doctor are billed separately from preventive healthcare visits. Sick visits and preventive healthcare visits are generally given different time allotments. 
Prevent and minimize the occurrence of diseases
Do you need to schedule separate preventive healthcare and sickness visits? 