Immunohistochemistry IgG Polyclonal Test
Comprehensive Introduction to IgG Polyclonal Testing
The Immunohistochemistry IgG Polyclonal Test represents a sophisticated diagnostic approach that enables precise detection and localization of IgG antibodies within tissue specimens. This advanced methodology plays a critical role in modern pathology, offering clinicians invaluable insights into immune-mediated diseases affecting various organ systems, particularly the kidneys and skin.
Immunohistochemistry (IHC) has revolutionized diagnostic pathology by allowing visualization of specific proteins within tissue architecture. The IgG polyclonal component specifically targets multiple epitopes of IgG antibodies, providing comprehensive detection capabilities that are essential for accurate diagnosis of autoimmune conditions, inflammatory disorders, and immune complex-mediated diseases.
What the Test Measures and Detects
The Immunohistochemistry IgG Polyclonal Test specifically identifies and localizes:
- IgG antibody deposits in tissue samples
- Immune complex formations in glomerular basement membranes
- Cutaneous IgG deposition patterns in skin biopsies
- Autoantibody localization in affected tissues
- Complement activation sites through associated immune complexes
This test utilizes specialized polyclonal antibodies that recognize multiple antigenic sites on IgG molecules, ensuring high sensitivity and comprehensive detection of IgG variants present in pathological conditions.
Clinical Applications and Detection Capabilities
The test provides critical diagnostic information for:
- Membranous glomerulonephritis diagnosis and classification
- Lupus nephritis evaluation and monitoring
- Autoimmune blistering disease characterization
- Immune complex vasculitis assessment
- Inflammatory skin disorder differentiation
Who Should Consider This Test
This specialized diagnostic test is recommended for patients presenting with:
Renal Symptoms and Indications
- Unexplained proteinuria or nephrotic syndrome
- Hematuria with suspected glomerular disease
- Rapidly progressive renal failure
- Systemic autoimmune disease with renal involvement
- Abnormal renal function tests without clear etiology
Dermatological Symptoms and Indications
- Chronic blistering skin lesions
- Persistent urticarial eruptions
- Vasculitic skin changes
- Interface dermatitis patterns
- Cutaneous manifestations of systemic autoimmune diseases
Significant Benefits of IgG Polyclonal Testing
Choosing the Immunohistochemistry IgG Polyclonal Test offers multiple advantages:
Diagnostic Precision
- High sensitivity for detecting diverse IgG subtypes
- Accurate localization within tissue architecture
- Comprehensive detection of immune complex deposits
- Reliable differentiation between similar pathological conditions
Clinical Management Advantages
- Guides targeted treatment strategies
- Provides prognostic information for disease progression
- Enables monitoring of treatment response
- Facilitates appropriate immunosuppressive therapy selection
Patient-Centered Benefits
- Rapid turnaround time for timely diagnosis
- Minimizes need for repeated biopsies
- Supports personalized treatment approaches
- Reduces diagnostic uncertainty and delays
Understanding Your Test Results
Interpreting Immunohistochemistry IgG Polyclonal Test results requires specialized expertise:
Positive Results Interpretation
- Granular IgG deposits along glomerular basement membranes suggest membranous glomerulonephritis
- Linear IgG staining may indicate anti-GBM disease
- Cutaneous IgG deposition patterns help classify autoimmune blistering diseases
- Vascular wall IgG deposition suggests immune complex vasculitis
Negative Results Significance
- Absence of IgG deposition may exclude certain immune-mediated conditions
- May suggest alternative pathological mechanisms
- Could indicate sampling limitations or technical factors
- Should be interpreted in clinical context with other findings
Pattern Recognition and Clinical Correlation
The distribution, intensity, and pattern of IgG staining provide crucial diagnostic information that must be correlated with clinical presentation, laboratory findings, and other histological features for accurate diagnosis and management planning.
Test Pricing and Availability
| Price Type | Amount (USD) |
|---|---|
| Discount Price | $76 |
| Regular Price | $112 |
Turnaround Time
- Sample acceptance: Daily by 6 PM
- Block processing: 5 days
- Tissue biopsy: 5 days
- Large complex tissue: 7 days
Sample Requirements
Submit tumor tissue in 10% formal-saline OR formalin fixed paraffin embedded block. Ship at room temperature. Essential documentation includes:
- Copy of Histopathology report
- Site of biopsy specification
- Complete clinical history
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, and San Jose. Our nationwide network ensures convenient access to advanced diagnostic services regardless of your location.
Book Your Test Today
Take the first step toward accurate diagnosis and effective treatment. Our experienced team of pathologists and laboratory specialists are ready to provide you with comprehensive diagnostic support.
Call or WhatsApp: +1(267) 388-9828
Schedule your Immunohistochemistry IgG Polyclonal Test today and benefit from our advanced diagnostic capabilities, rapid turnaround times, and expert interpretation services. Early and accurate diagnosis is crucial for effective management of immune-mediated kidney and skin disorders.

