One method used by health insurance companies to determine which parent's health insurance coverage will be primary for a dependent child, when both parents have separate coverage. Typically, the [..]

When a dependent child's parents both have dental coverage, this rule states that the primary program (the one which pays first) is the one covering the parent whose month and day of birth falls [..]

A provision that specifies the manner in which benefits for dependent children are to be coordinated between two insurance plans. According to the birthday rule, benefits for dependent children will b [..]

The Birthday Rule is endorsed by the National Association of Insurance Commissioners (NAIC). The Birthday Rule states that the plan of the parent whose date of birth (month and day) falls earlier in the calendar year is the primary plan for dependent children. For example, if the father’s birth date is March 4 and the mother’s birth date is January [..]

Used to decide the primary and secondary insurance coverage for dependent children's medical charges. The word "birthday" refers only to the month and day in a calendar year, not the ye [..]

The method of determining primary coverage for a dependent child, under which the plan of the parent whose birthday occurs first in the calender year, is designated as primary.