Individual tests

The fecal occult blood test (FOBT) checks stool samples for hidden (occult) blood. Occult blood in the stool may indicate colon cancer or polyps in the colon or rectum — though not all cancers or polyps bleed. If blood is detected through a fecal occult blood test, additional tests such as a colonoscopy may help determine the source of the bleeding. The fecal occult blood test can only detect the presence or absence of blood — it can't determine what's causing the bleeding.
Hemoglobin is a protein in your red blood cells that carries oxygen from your lungs to the rest of your body. There are several types of hemoglobin. Hemoglobin electrophoresis is a test that measures the different types and identifies abnormalities.
Hemoglobin is a protein in your red blood cells that carries oxygen from your lungs to the rest of your body. There are several different types of hemoglobin. Hemoglobin electrophoresis is a test that measures the different types of hemoglobin in the blood. It also looks for disorders associated with abnormal levels of different types of Hemoglobin.
Interleukin-6 (IL-6) is a protein that helps regulate immune responses, which makes the IL-6 test potentially useful as a marker of immune system activation. This test may be used to help evaluate a person who has a condition associated with inflammation, such as lupus, rheumatoid arthritis, or with infections like sepsis.
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