Sample results
Lupus is a chronic autoimmune disease where the immune system attacks healthy tissues and organs throughout the body. It is caused by the production of antinuclear antibodies (ANA) that target the body's own cells, along with decreased complement proteins like C3 and C4 that are consumed during immune complex clearance. The ANA Screen IFA with Reflex to Titer and Pattern is the most important test for lupus diagnosis because it detects the characteristic autoantibodies present in over 95% of lupus patients.
Lupus is caused by a malfunction in the immune system that produces antinuclear antibodies (ANA) and other autoantibodies that attack healthy tissues throughout the body. These antibodies form immune complexes that deposit in organs like the kidneys, joints, skin, and brain, causing inflammation and tissue damage. The exact trigger remains unknown, but genetics, hormones, environmental factors like sunlight exposure, infections, and certain medications can all contribute to developing lupus in susceptible individuals.
The ANA Screen IFA with Reflex to Titer and Pattern is the most important test for lupus because it detects antinuclear antibodies present in over 95% of lupus patients and provides both concentration levels and staining patterns that help distinguish lupus from other autoimmune conditions. For comprehensive diagnosis, the Complement Component C3c and C4c test is essential because low levels are characteristic of active lupus and indicate how much your immune system is consuming these proteins. Additional tests like C-Reactive Protein (CRP) help monitor inflammation levels and disease activity, while the Complement Component C1q test further assesses immune complex clearance when C3 and C4 are abnormal.
You should get tested if you experience a combination of symptoms like unexplained joint pain and swelling, extreme fatigue that does not improve with rest, a butterfly-shaped rash across your cheeks and nose, or skin rashes that worsen with sun exposure. Other warning signs include persistent low-grade fevers, chest pain when breathing deeply, unexplained hair loss, fingers turning white or blue in cold temperatures, or repeated kidney problems. Because lupus symptoms can come and go and often mimic other conditions, testing is especially important if you have a family history of autoimmune diseases or if multiple symptoms persist for several weeks.
What this means
Your ANA test came back negative, meaning no antinuclear antibodies were detected in your blood. This is the expected and healthy result, suggesting that an autoimmune condition is less likely to be causing your symptoms.
Recommended actions
Continue monitoring your symptoms and keep a symptom diary to share with your doctor
Focus on an anti-inflammatory diet with plenty of colorful fruits, vegetables, and omega-3 rich foods
Manage stress through regular exercise, adequate sleep, and relaxation techniques
If symptoms persist or worsen, discuss additional testing with your healthcare provider
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Sample results
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