Urinalysis and Body Fluids 6th Edition by Majorie DiLorenzo, Susan Strasinger

Exercise 33

Explain the methods used to detect fecal occult blood.

Step 1 of 4

Method to detect the fecal occult blood:

To find the occult blood, fecal analysis is performed as the blood may not be visible.

• The occult blood test detects colorectal cancer at early stages

The following methods are used to detect the fecal occult blood:

• gFOBT (guaiac-based Fecal Occult Blood Test)

• iFOBT (immunochemical Fecal Occult Blood Test)

• Porphyrin-based FOBT (porphyrin-based Fecal Occult Blood Test)