What are the steps for hemoccult cards?

To use a Hemoccult card for fecal occult blood testing, first collect a small stool sample using the provided collection device. Next, apply a thin smear of the stool onto the designated section of the Hemoccult card. Afterward, close the card and apply the developer solution on the test area, waiting for the specified time to observe any color change. A blue reaction indicates the presence of blood, which should be followed up with further medical evaluation.