A return to an earlier age level of behavior or emotional adjustment during a crisis situation is called:

The pigment responsible for skin color is

A) melanin. B) keratin. C) collagen. D) elastin.

All of the following claims can be appealed by telephone EXCEPT those in which:

a modifier was used to indicate multiple procedures that the carrier bundled. the claim was considered not medically necessary. the carrier requested information from the patient that was not received. the patient had a routine service covered by the policy.