Rheumatoid Factor – Quantitative

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A rheumatoid factor test is a test that measures rheumatoid factor amount in your blood.

What is Rheumatoid Factor – Quantitative?

Rheumatoid factors are proteins that can attack healthy tissue in your body1. Rheumatoid factors are proteins made by the immune system, and healthy people generally don’t make RF. The presence of RF in the blood hence indicates an autoimmune disease.

A rheumatoid factor- quantitative test indicates if whether the test value is normal or not, based on a specific value.

Why is Rheumatoid Factor – Quantitative suggested?

Rheumatoid factor- quantitative is suggested to aid the following diagnosis:

  • Autoimmune diseases like rheumatoid arthritis or Sjögren syndrome.
  • Chronic infection.
  • Cirrhosis (liver scarring).
  • Cryoglobulinemia
  • Dermatomyositis
  • Inflammatory lung disease.
  • Mixed connective tissue disease.
  • Lupus
  • Cancer

How is Rheumatoid Factor – Quantitative performed?

Following is the procedure for rheumatoid factor- quantitative test2:

  • A blood sample of is taken for the test.
  • Alcohol is used to clean the skin and needle before the technician wraps an elastic band above the elbow so that the veins can be easily seen.
  • The needle is injected near your elbow and blood is collected in a plain tube attached to the needle.
  • The needle is ejected from the skin, and the blood sample is labelled and sent for analysis.

The rheumatoid factor test takes two days to yield results.

What are the parameters measured in Rheumatoid Factor – Quantitative?

The rheumatoid factor test – quantitative is normal if the value lies under Titer, normal less than 1:80 (1 to 80).

Preparation before performing Rheumatoid Factor – Quantitative

The patient will be required to fast prior to the rheumatoid factor test. Follow instructions by your healthcare professional.

Post-care after Rheumatoid Factor – Quantitative

There are no particular post-care steps to be followed after the test.

Sample types in Rheumatoid Factor – Quantitative

A blood sample is taken in a rheumatoid factor- quantitative test.

Side effects/risks of Rheumatoid Factor – Quantitative

The rheumatoid factor- quantitative test is a simple and safe one. Apart from risk of bruising at the puncture site and rare lightheadedness there are no major side-effects to the test.

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