Test Price
1,300 AED✅ Home Collection Available
HLA T and B Cell Flow Cytometry Crossmatch in UAE | 1,300 AED | DHA Licensed Laboratory
Executive Summary & Core Metrics
Diagnostic Accuracy: 99.9% sensitivity achieved through ISO-accredited three-color flow cytometry processing for donor-specific antibody detection.
Collection Logistics: VIP Mobile Phlebotomy available daily from 8 AM to 11 PM with temperature-controlled cold-chain transport preserving lymphocyte viability.
Post-Test Support: Complimentary telephonic clinical guidance for result interpretation by a DHA-licensed general practitioner.
Insurance Acceptance: Direct billing verification available via WhatsApp at +971 54 548 8731.
Test Overview & Methodology
The HLA T and B Cell Flow Cytometry Crossmatch is a high-sensitivity diagnostic assay that uses three-color fluorescent flow cytometry (FACS) to detect donor-specific antibodies (DSA) against recipient T and B lymphocytes. This test is the gold standard for pre-transplant compatibility assessment, providing separate channel interpretation for T-cell IgG antibodies — strongly associated with acute cellular rejection — and B-cell antibodies, which may indicate chronic antibody-mediated injury. Unlike older complement-dependent cytotoxicity (CDC) methods, flow cytometry identifies non-complement-fixing, low-titer antibodies with single-cell precision.
| Feature | Our Test (Flow Cytometry) | Closest Alternative (CDC) |
|---|---|---|
| Methodology | 3-Color Fluorescent Flow Cytometry (FACS) | Complement-Dependent Cytotoxicity |
| Diagnostic Sensitivity | Greater than 99% (detects low-titer non-complement-fixing antibodies) | Approximately 80% (misses weak or non-cytotoxic antibodies) |
| Turnaround Time | 10–12 working days | 5–7 days (lower informational value) |
| Cell-Type Discrimination | Separate T-cell and B-cell channel interpretation | No cell-type discrimination |
| Clinical Relevance | EFI-guideline aligned, virtual crossmatch capable | Historical use only, not recommended for high-risk patients |
Physician Insight & Safety Protocols
"A positive flow crossmatch restricted to B cells may detect non-cytotoxic donor-specific antibodies that nonetheless elevate rejection risk. Always correlate with single antigen bead assay results and the patient's complete immunological history. Never base clinical decisions on the crossmatch alone — discuss all findings with the transplant team before proceeding."
— Dr. Ajay Singh, General Practitioner, DHA Registration ID: 36234132
Medication Advisory
Do not discontinue prescribed immunosuppressants, anticoagulants, or any other medication without consulting your transplant physician. The flow crossmatch result must be interpreted alongside the complete clinical picture and should never replace professional medical judgment.
Exclusion Criteria & Emergency Red Flags
- Sampling within 48 hours post-dialysis may yield false results; collect specimen preferably 48 hours after dialysis.
- Active systemic infection or recent vaccination (within 2 weeks) can transiently alter antibody profiles – reschedule if clinically safe.
- RED FLAG: If the recipient develops acute graft dysfunction (oliguria, fever, graft tenderness) during the testing wait period, go to the nearest emergency department immediately – do not wait for lab results.
- Missing mandatory documents (doctor's prescription with stamp, one photograph each of recipient and donor, completed Solid Organ Transplant Consent Form 33) will delay processing; our team will contact you.
Patient FAQ & Clinical Guidance
1. Why is the distinction between T-cell and B-cell important in this crossmatch?
The flow cytometry crossmatch separately identifies T-cell IgG antibodies, which are strongly associated with acute cellular rejection, and B-cell antibodies — including those directed against class II HLA — that may signal chronic antibody-mediated damage. This cell-type discrimination provides the transplant team with a more precise immunological risk profile than older CDC methods can offer.
2. Can the sample be collected at home, and how is it handled?
Yes, our DHA-licensed mobile phlebotomy team collects both recipient and donor blood samples at your home between 8 AM and 11 PM. Specimens are transported immediately at 18–22°C in validated cold-chain containers to our ISO 9001:2015 laboratory, preserving lymphocyte viability without freezing.
3. What does a positive crossmatch mean for my transplant options?
A positive flow crossmatch indicates the presence of donor-specific antibodies but does not automatically exclude transplantation. Your nephrologist may employ desensitization protocols — such as plasmapheresis or intravenous immunoglobulin — depending on antibody strength and specificity. Mandatory clinical correlation with your physician is essential before any treatment decisions are made.
UAE Regulatory & Data Privacy Adherence
This diagnostic service is fully compliant with Federal Decree-Law No. 45 of 2021 on Personal Data Protection (PDPL) and Federal Law No. 2 of 2019 Concerning the Use of Information and Communication Technology in Health Fields. Clinical safety and patient consent adhere to Federal Decree-Law No. 4 of 2016 on Medical Liability. DNA Labs UAE operates under DHA Facility License Number 1143 at Premises 105, Floor 1, Building 33, Dubai Healthcare City, Dubai, UAE. All patient data is processed in accordance with UAE health data privacy regulations.
Clinical & Logistical Metadata
| Test Name | HLA T and B Cell Flow Cytometry Crossmatch |
| Price (AED) | 1,300 |
| Turnaround Time | 10–12 working days |
| Sample Type / Matrix | Peripheral Whole Blood (recipient and donor) |
| Methodology Used | 3-Color Fluorescent Flow Cytometry (FACS) |
| ICD-10-CM Code | Z01.818 |
| LOINC Code | 48767-0 |
| DHA Facility License & Laboratory Address | 1143 | Premises 105, Floor 1, Building 33, Dubai Healthcare City, Dubai, UAE |
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