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HLA -DR Locus Typing

The HLA DR LOCUS test evaluates the alleles at the HLA-DR region, which are essential for compatibility in transplants. Matching HLA-DR alleles reduces the likelihood of transplant rejection and GVHD. It is a key test in the pre-transplant assessment for bone marrow and organ recipients.

Also known asHLA DR LOCUS HLA DR LOCUS

Available via

Home Collection, Lab Visit

Contains

1 parameters

Earliest reports in

3 Working Days

Test details

HLA -DR Locus Typing Test in Howrah Overview

What is HLA-DR Locus Typing test?

An HLA-DR locus typing test identifies an individual's specific Human Leukocyte Antigen-DR (HLA-DR) type, a protein crucial for immune function and found on the surface of cells. This genetic test is used to determine compatibility for organ and tissue transplants, assess the risk of autoimmune diseases, and evaluate an individual's susceptibility to certain infectious diseases and drug hypersensitivities. 

Why consider HLA-DR Locus Typing test?

  • High clinical impact locus: HLA‑DR mismatching is strongly associated with rejection risk and adverse outcomes; accurate typing supports safer donor selection and tailored immunosuppression.
  • Antibody interpretation: Exact HLA‑DR allele data improves analysis of class II donor‑specific antibodies on solid‑phase assays and helps anticipate crossmatch results to reduce antibody‑mediated rejection.
  • Registry and protocol alignment: DRB1 is a core locus in standard matching schemas (e.g., 8/8 in HSCT) and commonly included at high resolution in contemporary transplant protocols and donor searches.

Who should get this HLA-DR Locus Typing test?

  • Transplant candidates and donors: Individuals evaluated for kidney, liver, heart, lung, and HSCT, where HLA‑DR results guide match grading, allocation, and risk stratification.
  • Sensitized recipients: Patients with class II antibodies needing precise DR allele information for virtual crossmatch and desensitization planning.
  • Donor registries/cord units: Programs that require at least low‑ to high‑resolution DRB1 typing as part of minimum matching criteria and confirmatory testing.

More Information about HLA-DR Locus Typing test

LA is central to transplant compatibility: matching donor and recipient HLA types and ensuring no donor‑specific HLA antibodies are present reduces rejection risk, improves graft survival, and guides immunosuppression strategies. A mismatch between a donor's and recipient's HLAs can trigger an immune response, leading to graft (transplanted organ or tissue) rejection. HLA matching aims to find a donor whose HLAs are as similar as possible to the recipient's, which increases the likelihood of graft acceptance and reduces the risk of rejection and other complications.

OTHER NAMES: HLA‑DR typing / HLA‑DRB1 allele typing, High‑resolution HLA‑DR genotyping, HLA class II (DR locus) DNA typing.

Preparations

No special preparations needed

Test included
HLA -DR Locus Typing includes 1 parameter

  • Hla-dr

Test code

9915

Specimen vol. and vacutainer information
SpecimenVacutainerVolume
Edta Whole BloodLavender Vacutainer3 ML

Specimen stability information

Edta Whole Blood

Specimen rejection criteria

Test run frequency

'

Turn around time

3 Working Days

Performing locations

Department

  • Hla Serology

CPT and Loinc codes

HLA -DR Locus Typing

₹6000

Health Checkup Category

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HLA –DR LOCUS TYPING Test in Other Cities

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