Describe how the commercial claims completion process can differ in the following situations:

Patient is covered by just one commercial plan. Patient is covered by a large employer group health plan (EGHP), and the patient is also a Medicare beneficiary. Patient is covered by a small or larger employer group health plan on which the patient is designated as the policyholder, and the patient is also listed as a dependent on another EHGP. Patient is a child covered by two or more plans.