Occult Blood, Stool Card
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Guaiac procedure for detection of occult blood.
This test is a qualitative method for detecting fecal occult blood which may be indicative of gastrointestinal disease. It is not a test for colorectal cancer or any other specific disease. Serial fecal specimen analysis is recommended when screening asymptomatic patients.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Collect feces from the sample collection paper or specimen caught in a clean cup or collected during physical exam (i.e. DRE). Contamination from toilet water should be avoided. Using an applicator stick, collect a small fecal sample. Apply thin smear to Box A. Reuse applicator to obtain a sample from a different part of feces. Apply thin smear covering Box B. Close cover flap and dispose applicator in waste container. Send the sample card(s) to the laboratory.