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.
1 You enroll in Part B for the first time in 2016. 2  You arenât receiving Social Security or Railroad Retirement Board benefits. 3  Youâre billed directly for your Part B premium.  You have both Medicare and Medicaid coverage, and Medicaid pays for your monthly premiums.