What could cause fatigue. The cancer itself. Fatigue can be one of the first symptoms of cancer. It could be because there is cancer in the bone marrow and that slows down the production of red blood cells, causing anaemia. A cancer that affects your hormone levels could cause fatigue.
Medicare Suffixes. Hereâs what the letters behind the Medicare number mean: *A = retired worker. B = wife of retired worker. B1 = husband of retired worker. B6 = divorced wife. B9 = divorced second wife. C = child of retired or deceased worker; numbers after. C denote order of children claiming benefit.
Social Security Numbers Continue to be used for Medicare ID purposes. While the letter codes do not appear on your Social Security card, they are used on your Medicare card. Your Medicare claim number is the Social Security number of the primary wage earner on which benefits are based, plus your appropriate letter code.hile the letter codes do not appear on your Social Security card, they are used on your Medicare card. Your Medicare claim number is the Social Security number of the primary wage earner on which benefits are based, plus your appropriate letter code.