What does "Guaiac negative" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.
"Guaiac negative" is a term used in medicine to describe a specific test result. This test is usually done to check for hidden blood in a person's stool, which can be a sign of certain health problems. If the test is "guaiac negative," it means that no hidden blood was found in the stool sample. This is generally a good sign, indicating that there's no evidence of bleeding in the digestive tract.
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