A New Administrative Dental Assistant Is Learning to Complete Insurance

A new administrative dental assistant is learning to complete insurance claims.The claim she is processing is for a minor child who is covered under dental plans from both parents' employers.She asks whether you know which plan should be billed first.Using the Birthday Rule,what would you tell your colleague?

A) The father's insurance should be billed first if he is older than his wife.
B) The parent who has a birth date closest to that of the child is billed first.
C) The parent whose birthday comes first in the year is the primary insurance holder.
D) Call the parents and ask whom they would like you to bill first.