Pulmonary function testing has come into widespread use since the 1970s. This has been facilitated by several developments. Because of miniaturization and advances in computer technology, microprocessor devices have become portable and automated with fewer moving parts.
You will pay Part B premiums as long as you keep the card. Those who are not automatically enrolled in Part B can sign up during their initial Medicare enrollment period which begins three months before their 65th birthday and ends three months after the 65th birthday.
You can enroll in Part B during your Initial Enrollment Period. If you donât enroll in Part B when you're first eligible and decide to enroll later, you may have to pay more for as long as you have it. Get more information about how FEHBP works with Medicare from the U.S. Office of Personnel Management.or example, if you donât sign up until after youâve met all the requirements, your coverage could begin up to 12 months before the month you apply. If you're covered by an employer group health plan, your Medicare coverage will still start the fourth month of dialysis treatments.