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 apply online or sign up by calling Social Security at 1-800-772-1213. If you're still working at 65, read on to find out how it works. If you are still working, age 65 or older, and covered by group health insurance. Most group health plans require that you sign up for Medicare at age 65.