Occult Blood Test In Kolkata

Occult Blood Test In Kolkata

Starts from 250*

An occult blood test is used for detecting blood in stool samples and diagnosing digestive problems. The blood stains might not be visible to the naked eye and can only be seen using a microscope. The presence of blood in the feces can also indicate cancer in the colon or rectum or polyps of the colon. The doctor will also check the source of bleeding and recommend a treatment plan accordingly.

Read further to know more about the occult blood test in Kolkata, including its price and cost, preparation, side effects, etc.

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About occult blood test

Why is the occult blood test done?

An occult blood test is done to check for colorectal cancer or any infection in the digestive tract. The blood stains in the stool might not be visible to the naked eye and can only be seen using a microscope. The bleeding is abnormal and requires medical intervention. Regular screening is recommended for everyone above 50 years of age.

What does the occult blood test measure?

The occult blood test detects the presence of blood in the stools. There are two outcomes of the occult blood test:

Two types of occult blood tests are available. You will be advised to go for one depending on your symptoms.

  1. Guaiac-based test: In this test, you are required to collect three stool samples. A test card of the guaiac plant is placed on the stool sample and any changes in the color of the card are noticed. If it happens, the presence of blood in the stool is indicated.
  2. Fecal immunochemical Test (F.I.T): An antibody protein is used in this test. The stool sample should be collected in a sterile container and should not get mixed with urine or other fluids. A laboratory will examine the sample.
Risks/side effects of occult blood test

There are no risks associated with an occult blood test. However, it is best to know the below-mentioned points beforehand:

  • Your stool sample may contain some harmful bacterias and pathogens.
  • Be careful while collecting the stool sample and wash your hands thoroughly before and after the sample collection.

Why choose Flebo.in's home collection services

At Flebo.in, we thrive to deliver quality healthcare & diagnostic services to our valuable customers at their doorsteps. We are just a call or few clicks away to book your pathology test or a health package. Avail our services from the comfort of your home, office, or while you’re on the go.

Choose from a wide range of certified labs which undergo regular audits to ensure accuracy. Delay in reporting of your test result, without prior information, entitles you for a refund. Your Flebo.in account maintains the history of your test reports, irrespective of the chosen lab.

Our Phlebotomists are trained and qualified under a unique program designed by industry experts, who use FDA approved pre-analytical consumables for sampling.
Customer satisfaction is our utmost priority, and a Phlebotomist from Flebo.in will guarantee you:


Punctuality – Sample collection at your chosen time

Attentiveness – Concerned to handle your pre-test anxiety

Safety – Ensuring proper hygiene during the visit

Skillfulness – Certificate shared with you before the visit



When is occult blood test performed?

If you experience the symptoms mentioned below, you can go for the occult blood test:

  • Change in stools colour (black or maroon)
  • Low red blood cells levels (anemia)
  • Regular low blood pressure
  • Constant pain in the abdomen

These may be caused by:

  • Anal ulcers
  • Stomach ulcers
  • Infection in intestine
  • Crohn’s disease
  • Polyps
How to prepare for an occult blood test?

You should keep certain guidelines in mind before going for the occult blood test for getting accurate results. You may be advised to follow a diet 48-72 hours before the test.

  • Do not consume raw vegetables and fruits like carrots, cauliflower, cucumber, grapefruit, mushrooms, radishes, turnip, vitamin-c enriched foods, etc.
  • Do not consume red meat.
  • Do not intake any medicine 48 hours before the test. Consult your doctor, if needed.
How is the occult blood test performed?

Three samples of your stool that will be taken on three different days will be required for the occult blood test. You can collect these samples comfortably at your home itself using kits available at your nearest medical shop. Rest, your doctor will inform you about the guidelines that you need to follow.

Interpreting the occult blood test results

Interpreting the occult blood test results

There are two outcomes of the occult blood test:

Positive: It indicates the presence of blood in the stools. However, it does not confirm that you also have cancer. To know about the causes and location of the bleeding, you will be required to undergo other tests, such as colonoscopy, gastrointestinal endoscopy, etc.

Negative: It indicates the absence of blood in the stools.


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