Galactomannan Aspergillus Antigen Serum Test
Understanding the Galactomannan Aspergillus Antigen Serum Test
The Galactomannan Aspergillus Antigen Serum Test represents a significant advancement in the early diagnosis of invasive aspergillosis, a potentially life-threatening fungal infection caused by Aspergillus species. This sophisticated diagnostic tool plays a critical role in modern medical practice, particularly for patients with compromised immune systems who are at elevated risk for opportunistic fungal infections.
What Does This Test Measure?
This specialized test detects galactomannan, a polysaccharide antigen that serves as a specific biomarker for Aspergillus fungi. When Aspergillus organisms invade human tissues, they release galactomannan into the bloodstream, making it detectable through this highly sensitive enzyme immunoassay (EIA) method. The test’s ability to identify this antigen provides clinicians with valuable information about fungal invasion before traditional culture methods might yield positive results.
Who Should Consider This Test?
This test is particularly important for individuals in specific high-risk categories:
- Patients undergoing chemotherapy for hematological malignancies
- Organ transplant recipients on immunosuppressive therapy
- Individuals with prolonged neutropenia (low white blood cell count)
- Patients with advanced HIV/AIDS
- Those receiving high-dose corticosteroid treatments
- Individuals with primary immunodeficiency disorders
Common Symptoms and Clinical Indications
Patients experiencing the following symptoms should consider this test:
- Persistent fever unresponsive to broad-spectrum antibiotics
- Respiratory symptoms including cough, chest pain, or shortness of breath
- Hemoptysis (coughing up blood)
- Unexplained weight loss and fatigue
- Neurological symptoms in cases of central nervous system involvement
- Skin lesions or sinus pain in disseminated disease
Benefits of Early Detection
Early diagnosis through the Galactomannan Aspergillus Antigen Serum Test offers numerous advantages:
- Timely Intervention: Enables prompt initiation of antifungal therapy
- Improved Outcomes: Early treatment significantly improves survival rates
- Non-Invasive Monitoring: Allows for serial testing to monitor treatment response
- Cost-Effective Care: Reduces hospital stays and complications
- Targeted Therapy: Helps guide appropriate antifungal selection
Understanding Your Test Results
Interpretation Guidelines
Test results are typically reported as an index value, with clinical interpretation as follows:
- Negative Result (Index <0.5): Suggests no current evidence of invasive aspergillosis
- Positive Result (Index ≥0.5): Indicates possible invasive aspergillosis requiring clinical correlation
- Strongly Positive (Index ≥1.0): High probability of invasive aspergillosis
It’s important to note that false positives can occur in patients receiving certain antibiotics or with dietary exposure to galactomannan. Your physician will interpret results in the context of your clinical presentation and other diagnostic findings.
Test Information and Pricing
| Test Details | Information |
|---|---|
| Test Name | Galactomannan Aspergillus Antigen Serum Test |
| Regular Price | $250 USD |
| Discount Price | $176 USD |
| Sample Type | 2 mL (1 mL min.) serum from 1 SST |
| Turnaround Time | Same day (Sample Tue/Thu/Sat by 9 am) |
| Method | Enzyme Immunoassay (EIA) |
| Preparation | No special preparation required |
Nationwide Testing Availability
We proudly serve patients across the United States with convenient testing locations 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 ensure consistent, high-quality testing standards nationwide.
Take Action for Your Health
Don’t wait to address potential fungal infections. Early detection through the Galactomannan Aspergillus Antigen Serum Test can be life-saving for immunocompromised individuals. Our experienced team is ready to provide you with accurate, reliable results and comprehensive support throughout the testing process.
Call us today at +1(267) 388-9828 to schedule your test or speak with our medical professionals about your testing needs. Take the first step toward better health with our specialized diagnostic services.
