In addition to the substances mentioned in tables below, other tests include a description of color and appearance. Your health care provider may ask you to avoid the following:. A fecal occult blood test is a screening test that may help find colorectal cancer early, when treatment is most effective. Certain foods and drugs may affect the results of a guaiac smear method gFOBT test. Urine specific gravity Urine osmolality Urine pH Urine anion gap.
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Clinical urine tests
If your test results history test strip naked positive for blood, your health care provider will likely recommend additional testing, such as a colonoscopy, to figure out the exact location and cause of your bleeding. Urinalysis White blood cells seen under a microscope from a urine sample. This happens because insulin is necessary for the transport of glucose from the blood into the body cells. Glucose can be measured with Benedict's test. Are there any risks to the test?
Fecal Occult Blood Test (FOBT)
Why do I need a fecal occult blood test? When the production of the intermediate products of fatty acid metabolism collectively known as ketone bodies exceeds the ability of the body to metabolize these compounds, they accumulate in the blood and some end up in the urine ketonuria. Tietz Guide to Clinical Laboratory Tests. Is there anything else I need to know about a fecal occult blood test? Presence of glucose in the urine is called glucosuria.