An individual covered by a PPO plan makes a routine visit to the doctor.Every month, the individual pays a $50 premiumco-paydeductibleadjustment to an insurance company to have health insurance plan.The visit to the doctor costs $125. The individual has to make a payment, called a premium a co-paya deductiblean adjustment, directly to the doctor’s officeDuring the visit, the doctor determines the individual will require a procedure costing $4,500. Before the individual agrees to the procedure, he checks to see what his annual premiumco-paydeductibleadjustment is to determine how much he will have to pay.The health insurance company does not have to pay the full remaining amount for the procedure because of a premiuma co-paya deductiblean adjustment.