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Understanding the Test
Interpreting Results
FAQ's
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Written by
Dr. Betina Chandolia
BDS, MDS - Oral Pathology and Microbiology
Reviewed by
Dr. Ashish Ranjan
MBBS, MD (Pharmacology)
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HLA B-27, Flowcytometry

2200
You need to provide
Blood
This test is for
Male, Female
Test Preparation
  1. No special preparation is required.

Understanding HLA B-27, Flowcytometry


What is HLA B-27, Flowcytometry?

HLA B-27, Flow Cytometry test is performed to measure the level of HLA B27 antigen in blood. Presence of HLA B-27 may indicate a possibility of autoimmune disease, where the guarding cells (WBC) attacks own cells.
This test is done if one experiences signs and symptoms of arthritis such as chronic joint pain, inflammation in the lower back and hips. It can also help detect inflammatory bowel disease and other chronic conditions.
People with a positive HLA B-27 have an increased chance of developing autoimmune diseases like rheumatoid arthritis, juvenile idiopathic arthritis, and ankylosing spondylitis.

 

 

What is HLA B-27, Flowcytometry used for?

The HLA B-27 test is done:

  • In case of symptoms of arthritis such as chronic joint pain, stiffness, and inflammation in the lower back, hips, neck, and chest

  • In the case of Uveitis (painful inflammation of eyes) especially in males and of the early 30s age group.

 

Interpreting HLA B-27, Flowcytometry results


Interpretations

 

RESULT

REMARKS

Negative

No expression of HLA B-27

Indeterminate

Grey zone (within 10 channels of cutoff)

Positive

Expression of HLA B-27 detected

 

 

Anti-HLA-B27 antibody cross reacts with several other antigens of HLA-B group specially HLA-B7 leading to false-positive results*

 

Answers to Patient Concerns & Frequently Asked Questions (FAQs) about HLA B-27, Flowcytometry


Frequently Asked Questions about HLA B-27, Flowcytometry

Q. Is there any preparation required before the test?

Inform the doctor about the medications you may be taking. No other specific preparations are usually required before this test.

Q. What is ankylosing spondylitis?

Ankylosing spondylitis is a form of arthritis that primarily affects the spine, but can affect other joints as well. It comprises of vertebrae (spinal joints) inflammation which can further cause severe, chronic pain and discomfort. If the inflammation is left unchecked, it can lead to new bone formation in the spine which is known as ankylosis. In ankylosis, sections of the spine fuse in a fixed and immobile position. In this, one can develop inflammation, pain and stiffness in other parts of the body such as hips, ribs, shoulders, heels, and small joints of hands and feet. The inflammation can also involve eyes, the condition is known as uveitis or iritis. Whereas, in rare cases, heart, and lungs can be affected.

Q. What is Reactive Arthritis?

Reactive arthritis is a painful form of inflammatory arthritis. This includes joint disease caused due to inflammation. It develops due to inflammation caused in response to infection which is caused by certain bacteria which are present in genitals (Chlamydia trachomatis) or the bowel (Campylobacter, Shigella, Salmonella, and Yersinia).

Q. How is the blood sample taken?

The healthcare provider takes a blood sample from the arm. The site from where the blood is to be withdrawn is cleaned with a swab of rubbing alcohol. This is then followed by inserting a small needle which has a tube attached to it for collecting blood. Once the sufficient blood for analysis is withdrawn, the needle is removed. The site is then covered with a gauze pad.

Q. Is there any risk associated with the withdrawal of blood sample procedure?

As such there is no risk but in few cases, bruising, bleeding, and infection at the puncture site can be seen. In very few cases, there can be swelling of the vein after the blood is withdrawn.
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HLA B-27, Flowcytometry test price for other cities


Price inMumbaiRs. 2200
Price inBangaloreRs. 2200
Price inKolkataRs. 2200
Price inPuneRs. 2200
Price inThaneRs. 2200
+ more

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