۱٫ Women who menstruating should refrain from doing this test until 48 hours after the menstruation has ended.
۲٫ If the patient has bleeding from the gums or oral mucosa for various reasons, swallowed blood may result in false positives.
۳٫ Consumption of red meat (it’s better to not use chicken or fish), raw vegetables such as spinach, turnips, horseradish, radish, mushrooms, broccoli, cauliflower, oranges, bananas, grapes and cantaloupe should be avoided 48-72 hours before collecting the sample.
۴٫ The use of medications such as iron, indomethacin, colchicine, aspirin, ibprofen, cortisone and vitamins should be discontinued 72 hours before collection and during the collection period.
Note: If you are taking a special drug, the lab oratory must be informed.
۵٫ The sample should be delivered as soon as possible to the laboratory.
۶٫ The stool specimen should not be contaminated with urine or other substances. Heavy exercise can affect the hidden blood test (OB) and cause a false positive result.