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.
Instructions. Sign up for Medicare Part B when you sign up for Medicare initially, between the three months before your 65th birthday and the four months after your 65th birthday. Some people are sent packages that automatically enroll them in Medicare Part B unless they opt out initially.nstructions. Sign up for Medicare Part B when you sign up for Medicare initially, between the three months before your 65th birthday and the four months after your 65th birthday. Some people are sent packages that automatically enroll them in Medicare Part B unless they opt out initially.