News-October 14, 2015; 2:47 PM ET. Progressively colder air will lead to the first snowflakes and snowfall of the season, as well as the first freeze in parts of the Great Lakes, Northeast and neighboring Canada this weekend.ews-October 14, 2015; 2:47 PM ET. Progressively colder air will lead to the first snowflakes and snowfall of the season, as well as the first freeze in parts of the Great Lakes, Northeast and neighboring Canada this weekend.
It is important to note that a test that is positive for CEA may not always be indicative of cancers. It is due to this reason that this test is not used to screen for cancers. The CEA blood test normal range is from 0 to 2.5 micrograms per liter.
Carcinoembryonic antigen blood test. Last reviewed: September 20, 2013. The CEA test measures the level of carcinoembryonic antigen (CEA) in the blood. CEA is a protein normally found in the tissue of a developing baby in the womb.The blood level of this protein disappears or becomes very low after birth.he CEA test measures the level of carcinoembryonic antigen (CEA) in the blood.