How do you read a Hemoccult card?
Open the flap at the back of the card and apply 2 drops of Hemoccult® Developer to the paper directly over each smear. 8. Read results within 60 seconds. Any trace of blue on or at the edge of the smear is positive for occult blood.
How do you interpret FOBT?
What do my test results mean? If your FOBT results are positive, this means blood has been detected in your sample. About one in 14 people will have a positive FOBT result. Bleeding may be caused by a number of conditions, including polyps, haemorrhoids or inflammation, and may not necessarily be cancer related.
What color is a positive Hemoccult?
Appearance of unequivocal blue color, of any intensity, within 30 seconds, is considered a positive test; greenish colors, caused by oxidation of fecal bilirubin to biliverdin, should not be read as positive.
What is Hemoccult stool analysis?
A fecal occult blood test checks stool samples for traces of blood that cannot be seen with the naked eye. This test is also called a stool guaiac or Hemoccult test. It is a simple chemical test of a stool sample that involves about five minutes of preparation time.
How do you use Hemoccult cards?
Instructions
- Gather your supplies.
- Open the large front flap of the Hemoccult slide.
- Sit on the toilet like you usually do to have a bowel movement (poop).
- Take a sample of your stool with one end of an applicator stick.
- Use the stick to collect a second sample from a different part of your stool.
What does negative FOBT mean?
A fecal occult blood test is considered negative if no blood is detected in your stool samples. If you have an average risk of colon cancer, your doctor may recommend repeating the test yearly. Positive result. A fecal occult blood test is considered positive if blood is detected in your stool samples.
What is fecal globin?
Clinical Significance. Fecal Globin by Immunochemistry (InSure®) – The fecal occult blood test is an immunochromatographic fecal occult blood test that qualitatively detects human hemoglobin from blood in fecal samples. This is a useful screening aid for detecting primarily lower gastrointestinal (G.I.)
What is a positive hemoccult test?
The hemoccult blood test uses a chemical reaction to detect occult blood in your stool. The results for the hemoccult test are either positive or negative: A positive result means that occult blood has been detected in your stool. It doesn’t mean that you have colorectal cancer.
What does positive guaiac mean?
For the FOBT, a positive test result indicates that abnormal bleeding is occurring somewhere in the digestive tract.
What is a high fit test result?
The higher the FIT value is above 20 the greater is the likelihood that there are polyps or a malignancy. FIT is also positive in patients with IBD as you would expect.
What does a positive fit stool test mean?
An abnormal or positive FIT result means that there was blood in your stool at the time of the test. • A colon polyp, a pre-cancerous polyp, or cancer can cause a positive stool test. With a positive test, there is a small chance that you have early-stage colorectal cancer.
What is a positive Hemoccult?
The hemoccult blood test uses a chemical reaction to detect occult blood in your stool. The results for the hemoccult test are either positive or negative: A positive result means that occult blood has been detected in your stool.
What is Hemoccult stool specimen?
Hemoccult Test. This simple test checks for the presence of hidden blood in a patient’s stool. You only need to send a small stool sample to a lab, using a special card. However, the test has its drawbacks. The test will detect any blood found in the stool, including animal blood. For instance, eating a rare steak the day before…
What is Hemoccult testing?
A Hemoccult test is used to check for blood in your bowel movement. It is also called a fecal blood test or occult blood test.