Approved by the Cancer.Net Editorial Board, 04/2015. 1  A biopsy is the removal of a small amount of tissue. It is an important way doctors diagnose many different types of cancer.  The sample removed during the biopsy needs to be processed and analyzed before the doctor can make a diagnosis.
You can sign up for Part A and/or Part B during the General Enrollment Period between January 1âMarch 31 each year if both of these apply: You didn't sign up when you were first eligible. You arenât eligible for a Special Enrollment Period (see below). You must pay premiums for Part A and/or Part B. Your coverage will start July 1.
You can sign up for Medicare Part D (prescription drug coverage) when you first become eligible for Medicare (for most people thatâs when you are  between age 64 years 8 months and 65 years 3 months). This is the best time to sign up because you wonât have to pay a penalty or a higher premium.