ANA Screen, IFA, with Reflex to Titer and Pattern

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ANA Screen, IFA, with Reflex to Titer and Pattern
$42.00

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This test measures ANA Screen, IFA, with Reflex to Titer and Pattern - Antinuclear antibodies are associated with rheumatic diseases including Systemic Lupus Erythematous (SLE), mixed connective tissue disease, Sjogren's syndrome, scleroderma, polymyositis, CREST syndrome, and neurologic SLE.

 

ANA Screen: Autoimmune Antibodies

This test measures ANA Screen, IFA, with Reflex to Titer and Pattern - Antinuclear antibodies are associated with rheumatic diseases including Systemic Lupus Erythematous (SLE), mixed connective tissue disease, Sjogren's syndrome, scleroderma, polymyositis, CREST syndrome, and neurologic SLE.

An ANA test looks for antinuclear antibodies in your blood. If the test finds antinuclear antibodies in your blood, it may mean you have an autoimmune disorder. An autoimmune disorder causes your immune system to attack your own cells, tissues, and/or organs by mistake.

Antinuclear antibodies (ANA) are a group of autoantibodies produced by a person's immune system when it fails to adequately distinguish between "self" and "nonself." The ANA test detects these autoantibodies in the blood.

ANA react with components of the body's own healthy cells and cause signs and symptoms such as tissue and organ inflammation, joint and muscle pain, and fatigue. ANA specifically target substances found in the nucleus of a cell, hence the name "antinuclear." They probably do not damage living cells because they cannot access their nuclei. However, ANA can cause damage to tissue by reacting with nuclear substances when they are released from injured or dying cells.

The ANA test is one of the primary tests for helping to diagnose a suspected autoimmune disorder or rule out other conditions with similar signs and symptoms. The ANA test may be positive with several autoimmune disorders. Patients with the autoimmune disorder systemic lupus erythematosus (SLE) are almost always positive for ANA, but the percentage of patients with other autoimmune disorders who have positive ANA results varies. Also, a significant number of patients with a variety of other types of disorders (and even some healthy people) may be positive for ANA, especially at low levels.

The ANA test is ordered when someone shows signs and symptoms that a healthcare practitioner suspects are due to a systemic autoimmune disorder. People with autoimmune disorders can have a variety of symptoms that are vague and non-specific and that change over time, progressively worsen, or alternate between periods of flare ups and remissions.

Autoimmune Disorders Signs and Symptoms:

  • Low-grade fever
  • Persistent fatigue, weakness
  • Arthritis-like pain in one or more joints
  • Red rash (for lupus, one resembling a butterfly across the nose and cheeks)
  • Skin sensitivity to light
  • Hair loss
  • Muscle pain
  • Numbness or tingling in the hands or feet
  • Inflammation and damage to organs and tissues, including the kidneys, lungs, heart, lining of the heart, central nervous system, and blood vessels

What does the ANA screen test results mean?

A positive ANA test result means that autoantibodies are present. In a person with signs and symptoms, this suggests the presence of an autoimmune disease, but further evaluation is required to assist in making a final diagnosis. Again, some people without disease can have a positive ANA test.

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