Fecal occult blood is small amounts of blood hidden in the feces, notes Mayo Clinic. Tests for fecal blood are done to see if there is blood loss in the gastrointestinal tract, which stretches from the mouth to the colon... More » Health Diagnostics & Imaging

Occult blood in stool is impossible to see with the naked eye and requires a fecal occult test that detects hidden blood in feces sample, according to WebMD. Sometimes people can see blood in their stool, however. More » Health Conditions & Diseases

Fecal occult blood test results determine whether or not a patient has a problem in his digestive system, such as a polyp, growth or cancer in the rectum or colon, according to WebMD. The doctor carries out a fecal occul... More » Health Diagnostics & Imaging
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The dipstick test is a urine test that can be bought over the counter and should be taken in the morning when the urine is highly concentrated, notes WebMD. Collect the urine in a glass container so you can clearly view ... More » Health Diagnostics & Imaging

ALT blood levels are checked by undergoing the alanine aminotransferase test to measure the level of the enzyme in the blood, notes WebMD. The enzyme is found mainly in the liver, but it is also available in the pancreas... More » Health Diagnostics & Imaging

In blood testing, MCV stands for "mean corpuscular volume" and MCH stands for "mean corpuscular hemoglobin," notes WebMD. The tests are usually performed as part of a complete blood count, which is a panel of tests that ... More » Health Diagnostics & Imaging