articles

A normal CEA test result ranges from 0 to 2.5 micrograms per liter, notes MedlinePlus. CEA stands for carcinoembryonic antigen, and it is a protein found in a developing fetus. More »

The normal value for those taking a CEA, or carcinoembryonic antigen, blood test is 0 to 2.5 micrograms per liter, according to MedlinePlus. For smokers, the normal value range is 0 to 5 micrograms per liter. More »

The normal range for a CEA blood test is 0 to 2.5 micrograms per liter, according to MedlinePlus. For smokers, an acceptable range is 0 to 5 micrograms per liter. This test measures the amount of carcinoembryonic antigen... More »

similar articles

A CEA test result of 20 nanograms per milliliter or higher is a very high level, according to Healthline. A level this high not only strongly suggests the presence of cancer, it can also mean that the cancer has metastas... More »

CEA tests determine the amount of carcinoembryonic antigen in the blood, and typical normal levels range from 0 to 2.5 micrograms per liter (mcg/L) of blood, MedlinePlus reports. Smokers generally show higher counts in t... More »

Normal alpha-fetoprotein test results are less than 40 micrograms per liter of blood in men and non-pregnant women, according to Healthline and WebMD. Expectant mothers typically take the test between the 14th and 22nd w... More »

While reference ranges for a cardiac enzyme test can vary from lab to lab, the normal range for results of the creatine kinase-myocardial band enzyme test is generally 1 to 3 micrograms per liter, states WebMD. Anything ... More »