TB Gold Interferon Gamma Release Assay (IGRA) Test
Advanced Tuberculosis Detection Through Immune Response Analysis
The TB Gold Interferon Gamma Release Assay represents a revolutionary approach to tuberculosis screening and diagnosis. This sophisticated blood test detects Mycobacterium tuberculosis infection by measuring the immune system’s specific response to TB antigens, providing unprecedented accuracy in identifying both latent and active tuberculosis infections.
What Does the TB Gold IGRA Test Measure?
The TB Gold IGRA test specifically measures the release of interferon-gamma (IFN-γ) from T-lymphocytes when they encounter TB-specific antigens. Unlike traditional tests that may produce false positives in BCG-vaccinated individuals, this assay targets antigens (ESAT-6, CFP-10, and TB7.7) that are present in M. tuberculosis but absent from most BCG vaccine strains and non-tuberculous mycobacteria.
- Detects T-cell immune responses to TB-specific antigens
- Measures interferon-gamma production quantitatively
- Identifies both latent and active tuberculosis infections
- Provides numerical results for precise interpretation
Who Should Consider TB Gold IGRA Testing?
This advanced tuberculosis screening is recommended for individuals in various risk categories and clinical situations:
High-Risk Populations
- Healthcare workers and laboratory personnel
- Immunocompromised individuals (HIV patients, organ transplant recipients)
- Residents and employees of correctional facilities
- Homeless shelter residents and workers
- Recent immigrants from TB-endemic countries
Symptomatic Individuals
- Persistent cough lasting more than 3 weeks
- Unexplained weight loss and fatigue
- Night sweats and fever
- Chest pain and breathing difficulties
- Blood in sputum
Key Benefits of TB Gold IGRA Testing
Superior Accuracy and Specificity
The TB Gold IGRA test offers exceptional diagnostic performance with minimal cross-reactivity. Its targeted antigen approach eliminates false positives commonly associated with BCG vaccination, providing healthcare providers with reliable results for confident clinical decision-making.
Convenience and Efficiency
- Single blood draw required – no return visits needed
- No special preparation or fasting necessary
- Next-day results for prompt clinical management
- Quantitative results for monitoring treatment response
Clinical Advantages
- Distinguishes between latent and active TB infection
- Ideal for serial testing and treatment monitoring
- Suitable for all age groups, including children
- Complements radiographic and microbiological findings
Understanding Your TB Gold IGRA Test Results
Interpretation Guidelines
Your TB Gold IGRA results will fall into one of several categories, each with specific clinical implications:
- Positive Result: Indicates TB infection (latent or active). Further evaluation with chest X-ray and clinical assessment is recommended to determine infection status.
- Negative Result: Suggests no evidence of TB infection. However, recent exposure (within 8-10 weeks) may not be detected.
- Indeterminate Result: May occur due to technical issues or immune system problems. Repeat testing may be necessary.
- Borderline Result: Falls near the cutoff value. Clinical correlation and possible retesting are advised.
Next Steps After Testing
Always discuss your results with a healthcare provider who can interpret them in the context of your medical history, symptoms, and risk factors. Positive results typically lead to additional testing and consideration of preventive therapy or treatment.
TB Gold IGRA Test Pricing
| Test Description | Regular Price | Discount Price |
|---|---|---|
| TB Gold Interferon Gamma Release Assay (IGRA) | $162 USD | $100 USD |
Nationwide Testing Availability
We have conveniently located branches across the United States, ensuring accessible TB testing services in all major metropolitan areas including New York, Los Angeles, Chicago, Houston, Phoenix, Philadelphia, San Antonio, San Diego, Dallas, and San Jose. Our state-of-the-art facilities maintain the highest standards of quality and patient care.
Book Your TB Gold IGRA Test Today
Take control of your health with advanced tuberculosis screening. Our TB Gold IGRA test provides accurate, reliable results with next-day turnaround. Schedule your appointment now to benefit from our special discount pricing and comprehensive testing services.
Call or WhatsApp us today at +1(267) 388-9828 to book your TB Gold IGRA test and take the first step toward comprehensive tuberculosis screening and peace of mind.
Testing Process Overview
- Sample Collection: Blood drawn Monday through Saturday by 4 PM
- Turnaround Time: Next-day results
- Sample Requirements: Special QuantiFERON-TB Gold tubes or green top heparin tubes
- Methodology: Enzyme Immunoassay for precise interferon-gamma detection
- Preparation: No special preparation required

