Anti-dsDNA Antibody Crithidia IFA Test
Comprehensive Introduction to Anti-dsDNA Antibody Testing
The Anti-dsDNA Antibody Crithidia IFA Test represents a cornerstone in autoimmune disease diagnostics, specifically designed to detect antibodies targeting double-stranded DNA. This sophisticated immunofluorescence assay utilizes the unique Crithidia luciliae organism as its substrate, providing exceptional specificity for identifying anti-dsDNA antibodies that are strongly associated with systemic lupus erythematosus (SLE). The test’s clinical significance extends beyond mere detection, serving as a crucial biomarker for disease activity monitoring and prognosis assessment in autoimmune disorders.
What This Test Measures and Detects
The Anti-dsDNA Antibody Crithidia IFA Test specifically identifies immunoglobulin G (IgG) antibodies directed against native, double-stranded DNA. Unlike other DNA antibody tests, this method offers superior specificity because:
- Detects antibodies against intact, double-stranded DNA structures
- Utilizes Crithidia luciliae’s kinetoplast as a natural dsDNA substrate
- Minimizes cross-reactivity with single-stranded DNA antibodies
- Provides semi-quantitative results for clinical correlation
Clinical Significance of Anti-dsDNA Antibodies
Anti-dsDNA antibodies play a pivotal role in autoimmune pathology, particularly in systemic lupus erythematosus. Their presence correlates strongly with:
- Disease activity and flare prediction
- Lupus nephritis development and progression
- Specific organ involvement in autoimmune conditions
- Treatment response monitoring
Who Should Consider This Test
This specialized test is recommended for individuals experiencing symptoms suggestive of autoimmune disorders, particularly:
Symptom-Based Indications
- Unexplained joint pain and swelling persisting for weeks
- Characteristic butterfly rash across cheeks and nose
- Persistent fatigue not relieved by rest
- Photosensitivity or unusual skin reactions to sunlight
- Oral or nasal ulcers without clear cause
- Hair loss in unusual patterns
- Fever of unknown origin
- Neurological symptoms including headaches or seizures
- Kidney abnormalities detected in routine tests
Patient Populations at Risk
- Women between ages 15-45 (higher lupus prevalence)
- Individuals with family history of autoimmune diseases
- Patients with previous positive ANA tests
- Those with suspected connective tissue disorders
- Patients being monitored for known autoimmune conditions
Significant Benefits of Anti-dsDNA Testing
Undergoing the Anti-dsDNA Antibody Crithidia IFA Test provides multiple clinical advantages:
Diagnostic Precision
- High specificity for systemic lupus erythematosus diagnosis
- Early detection of autoimmune activity before organ damage
- Differentiation between various autoimmune conditions
- Correlation with specific disease manifestations
Clinical Management Advantages
- Guides appropriate treatment selection and intensity
- Monitors disease activity and treatment response
- Helps predict flares and prevent complications
- Supports personalized medicine approaches
Patient-Centered Benefits
- Rapid results with same-day reporting when sampled by 11 am
- Minimal sample requirement (only 2 mL serum needed)
- Comprehensive interpretation by specialized immunopathologists
- Convenient testing locations across major US cities
Understanding Your Test Results
Proper interpretation of Anti-dsDNA antibody results requires clinical correlation with patient symptoms and other laboratory findings:
Positive Results Interpretation
- Strong Positive: Highly suggestive of active systemic lupus erythematosus, often correlating with renal involvement
- Moderate Positive: May indicate lupus or related autoimmune conditions, requiring comprehensive evaluation
- Weak Positive: Could represent early disease, drug-induced lupus, or other autoimmune disorders
Negative Results Context
- Does not completely rule out autoimmune conditions
- May be negative in lupus patients during remission
- Should be interpreted alongside clinical presentation and other autoantibody tests
Clinical Correlation Essentials
- Results should always be reviewed with your rheumatologist or specialist
- Titer levels may fluctuate with disease activity
- Serial testing provides valuable trend information
- Consider complete autoimmune panel for comprehensive assessment
Test Pricing and Logistics
| Test Component | Price (USD) |
|---|---|
| Discount Price | $50 |
| Regular Price | $56 |
| Test Name | Anti-dsDNA Antibody Crithidia IFA Test |
| Turnaround Time | Sample Daily by 11 am; Report Same Day |
| Sample Type | 2 mL (1 mL min.) serum from 1 SST |
| Shipping Requirements | Refrigerated or frozen, overnight fasting preferred |
Nationwide Testing Availability
We maintain comprehensive testing facilities across the United States, with specialized branches in all major metropolitan areas including New York, Los Angeles, Chicago, Houston, Phoenix, Philadelphia, San Antonio, San Diego, Dallas, San Jose, and numerous other cities. Our network ensures convenient access to this specialized autoimmune testing regardless of your location.
Take Action for Your Health Today
Don’t let unexplained symptoms compromise your quality of life. The Anti-dsDNA Antibody Crithidia IFA Test provides crucial insights for autoimmune disease diagnosis and management. Our team of immunopathology specialists, rheumatologists, and dermatologists stand ready to support your diagnostic journey with cutting-edge testing and expert interpretation.
Ready to take the next step in understanding your health? Contact us today to schedule your test or speak with our healthcare specialists. Call or WhatsApp us at +1(267) 388-9828 to book your appointment or get answers to your questions about autoimmune testing.
Early detection through specialized testing like the Anti-dsDNA Antibody Crithidia IFA Test can make a significant difference in managing autoimmune conditions effectively. Trust our expertise in immunopathology to provide the accurate, timely results you need for informed healthcare decisions.

