Medicare as Secondary Payer: The patient has Medicare and an employer-sponsored retirement plan, and the patient is a dependent on the spouse's employer-sponsored large group plan. The claim is for an injury received in a car accident. Billing order:

2. Medicare as Secondary Payer: The patient has Medicare and an employer-sponsored retirement plan, and the patient is a dependent on the spouse's employer-sponsored large group plan. The claim is for an injury received in a car accident.

Billing order:

3. Medicare as Secondary Payer: The patient has a retirement plan through his former employer, Medicare, and a cancer policy.

The patient is diagnosed with cancer. The spouse is deceased.

Billing order:

4.Medicare as Secondary Payer: The patient is 67, working full-time, and covered by Medicare, an employer-sponsored large group plan, and a Medigap plan. The spouse is retired, 62, and covered by an employer-sponsored plan for 18 employees.

Billing order:

5. Medicare as Secondary Payer: The patient is 50 and disabled and has Medicare and an employer-sponsored group health plan that covers 50 employees.

Billing order: