ANA Test
ANA is the first-line autoimmune screening test. Including it in a comprehensive panel helps identify autoimmune conditions early, when treatment is most effective.
Doctor's Assessment Included
ANA (Antinuclear Antibodies): what this test measures
This test detects autoantibodies against nuclear antigens using immunofluorescence or immunoassay. Results include titre (dilution level) and pattern (homogeneous, speckled, nucleolar, centromere), which help guide further testing.
ANA (Antinuclear Antibodies): why this value matters
ANA is the first-line screening test for systemic autoimmune diseases. While a negative ANA largely excludes SLE, a positive ANA alone does not diagnose any specific condition and requires clinical correlation.
ANA (Antinuclear Antibodies): when is testing worthwhile?
Testing could be indicated for suspected autoimmune disease: joint pain, skin rashes, unexplained fatigue, Raynaud phenomenon, or organ involvement without clear cause.
ANA (Antinuclear Antibodies): symptoms of a high or low value
Low Levels
A negative ANA makes systemic lupus and many other autoimmune conditions unlikely but does not completely exclude all autoimmune diseases.
High Levels
A positive ANA can be associated with SLE, Sjogren syndrome, scleroderma, mixed connective tissue disease, and other conditions. However, up to 15% of healthy people have low-titre positive ANA.
ANA (Antinuclear Antibodies): lifestyle and this value
If ANA is positive with symptoms, consult a rheumatologist for further evaluation. Manage stress, protect skin from sun exposure (UV can trigger lupus flares), and maintain regular follow-up appointments.
ANA (Antinuclear Antibodies): frequently asked questions
Does a positive ANA mean I have lupus?
What does the ANA pattern mean?
Can ANA change over time?
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Doctor's Assessment Included
Every result includes a professional assessment from a BIG-registered doctor. For treatment decisions, discuss your results with your GP.
ANA (Antinuclear Antibodies)
€39,-