ANA Screen, IFA with Reflex to Titer and Pattern, IFA
The antinuclear antibody (ANA) test is used as a primary test to help evaluate a person for autoimmune disorders that affect many tissues and organs throughout the body (systemic) and is most often used as one of the tests to help diagnose systemic lupus erythematosus (SLE).
When is it ordered?
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.
Some examples of signs and symptoms include:
- Skin sensitivity to light
- Hair loss
- Muscle pain
- Numbness or tingling in the hands or feet.
- 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)