Stool guaiac test
Alternate Names : Guaiac smear test, Fecal occult blood test - guaiac smear, Stool occult blood test - guaiac smear
Normal Values
A negative test result means that there is no blood in the stool.
What do Abnormal Results Mean?
Abnormal results may indicate:
Stool guaiac testing is sometimes used to screen for colon cancer, but it is not a reliable test for this purpose, and other screening methods should be used. Additional non-GI-related causes of positive guaiac test may include: - Nose bleed
- Coughing up blood
Abnormal tests require follow-up with your doctor. In many cases, however, no explanation for the abnormal result is found.
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