Autoimmune Disease Screening
Health Checkups
estimated about CNY 500-1000
(estimated about USD 70-150)
30 min
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Description
Autoimmune disease screening helps identify conditions like lupus or rheumatoid arthritis when symptoms suggest immune system dysfunction, with testing available in China through ChinaMedicalHub hospital coordination for ¥70–150.
Main Uses
Autoimmune disease screening is primarily used for: 1. Diagnosing autoimmune diseases, 2. Monitoring the progression and treatment response in patients with known autoimmune conditions, 3. Differentiating between various autoimmune and non-autoimmune conditions, 4. Identifying potential risk factors for developing autoimmune diseases, 5. Guiding therapeutic decisions and adjusting treatment plans based on the presence and levels of specific autoantibodies.
Normal Range
The normal range for autoimmune disease screening varies depending on the specific test. Common indicators include ANA (Antinuclear Antibodies) with a normal range of <1:40, RF (Rheumatoid Factor) with a normal range of <20 IU/mL, and Anti-CCP (Anti-Cyclic Citrullinated Peptide) with a normal range of <20 U/mL. Other tests like Anti-DsDNA, Anti-Sm, and Anti-Ro/SSA also have their respective normal ranges, typically below a certain threshold value.
Low Values - Possible Causes
Low values in autoimmune disease screening are generally not clinically significant as they indicate the absence of autoantibodies. However, if a patient is being treated for an autoimmune condition, low values might suggest effective treatment or remission. Other reasons could include: 1. Successful management of the autoimmune condition, 2. Temporary suppression of immune response due to medication, 3. Early stage of the disease where autoantibodies are not yet detectable, 4. Non-autoimmune causes of symptoms, 5. Technical issues with the test.
High Values - Possible Causes
High values in autoimmune disease screening can be caused by: 1. Active autoimmune diseases such as Systemic Lupus Erythematosus (SLE), Rheumatoid Arthritis (RA), Sjögren's Syndrome, 2. Infections that can trigger the production of autoantibodies, 3. Certain cancers, particularly lymphoproliferative disorders, 4. Chronic inflammatory conditions, 5. Medications that can induce autoantibody production, such as hydralazine and procainamide.
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