Chimerism Split Cell Analysis B Cell CD19 Test
Comprehensive Introduction to Chimerism Analysis
The Chimerism Split Cell Analysis B Cell CD19 Test represents a cutting-edge diagnostic approach in the field of hematopoietic stem cell transplantation. This specialized test plays a critical role in monitoring the success and stability of bone marrow transplants by specifically analyzing the B-cell lineage compartment. As B cells are essential components of the adaptive immune system, their proper engraftment and function are vital for long-term transplant success and immune reconstitution.
Following bone marrow transplantation, the establishment of chimerism—where both donor and recipient cells coexist—is a key indicator of transplant success. The B-cell specific analysis provides targeted insights that general chimerism tests might miss, offering hematologists and oncologists precise data for treatment decisions and patient management strategies.
What the Test Measures and Detects
The Chimerism Split Cell Analysis B Cell CD19 Test employs sophisticated molecular techniques to provide detailed insights into transplant outcomes:
- B-Cell Specific Chimerism: Measures the percentage of donor-derived versus recipient-derived cells specifically within the CD19-positive B-cell population
- Engraftment Monitoring: Tracks the establishment and stability of donor cell engraftment in the B-cell lineage
- Mixed Chimerism Detection: Identifies the presence of both donor and recipient cells, which can indicate various clinical scenarios
- PCR and STR Analysis: Utilizes Polymerase Chain Reaction (PCR) and Short Tandem Repeat (STR) fragment analysis for high-resolution detection
- Quantitative Assessment: Provides precise percentage measurements of donor chimerism in the B-cell compartment
Who Should Consider This Test
This specialized test is essential for specific patient populations and clinical situations:
Primary Candidates
- Patients who have undergone allogeneic bone marrow transplantation
- Individuals receiving hematopoietic stem cell transplants
- Patients with hematological malignancies requiring transplant monitoring
- Recipients of cord blood transplants
Clinical Indications
- Routine post-transplant monitoring at scheduled intervals
- Suspected graft rejection or failure
- Unexplained cytopenias following transplantation
- Monitoring for minimal residual disease
- Assessment of donor lymphocyte infusion effectiveness
- Evaluation of immune reconstitution patterns
Significant Benefits of Chimerism Testing
Undergoing Chimerism Split Cell Analysis B Cell CD19 Testing provides numerous clinical advantages:
Early Detection Capabilities
- Early identification of graft rejection before clinical symptoms appear
- Detection of mixed chimerism that may predict relapse risk
- Monitoring of donor cell expansion and engraftment patterns
- Identification of emerging complications requiring intervention
Treatment Guidance
- Informs decisions regarding immunosuppression tapering
- Guides the timing and necessity of donor lymphocyte infusions
- Helps determine the need for additional therapeutic interventions
- Provides data for personalized treatment adjustments
Prognostic Value
- Assesses long-term transplant success and stability
- Predicts risk of disease relapse in malignant conditions
- Evaluates immune system recovery and function
- Provides valuable information for future treatment planning
Understanding Your Test Results
Interpreting chimerism results requires careful consideration of clinical context and timing:
Result Interpretation Guidelines
- Complete Donor Chimerism: 95-100% donor cells indicates successful engraftment
- Mixed Chimerism: Presence of both donor and recipient cells requires clinical correlation
- Decreasing Donor Chimerism: May indicate graft rejection or disease relapse
- Stable Mixed Chimerism: Can be acceptable in certain transplant settings
- B-Cell Specific Patterns: Different lineages may show varying chimerism levels
Clinical Implications
- Results should always be interpreted by qualified hematologists or transplant specialists
- Trend analysis over multiple time points provides more valuable information than single measurements
- Different chimerism patterns may require different management strategies
- Correlation with other clinical and laboratory parameters is essential
Test Pricing and Availability
| Price Type | Amount (USD) |
|---|---|
| Discount Price | $262 |
| Regular Price | $376 |
Service Details
- Turnaround Time: Sample accepted daily by 11 AM; Report available in 7 working days
- Sample Requirements: 4 ml (2 ml minimum) whole blood or bone marrow in 1 Lavender Top (EDTA) tube
- Shipping Instructions: Ship refrigerated. DO NOT FREEZE
- Required Information: Date of Bone Marrow Transplant; date/lab number of pre-transplant samples for patient and donor registered under code N057
Nationwide Accessibility
We maintain comprehensive testing facilities across the United States, ensuring convenient access for patients 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 of certified laboratories guarantees consistent, high-quality results regardless of location.
Take Action for Your Health
Don’t leave your transplant monitoring to chance. The Chimerism Split Cell Analysis B Cell CD19 Test provides essential data for managing your post-transplant care effectively. Our team of specialists is ready to assist you with scheduling, sample collection, and result interpretation.
Book your test today by calling +1(267) 388-9828 or visit our website to schedule your appointment. Take control of your transplant journey with precise, reliable monitoring from America’s leading genetics diagnostics provider.

