HLA B*51 Disease Association

TEST: 167389
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CPT: 81373
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Synonyms

  • B*51:01
  • B51
  • Behcet
  • Behcet Disease
  • Behcet's Disease
  • HLA B*51:01
  • HLA B51

Special Instructions

If you have questions, please call 800-533-1037 (HLA customer service) for assistance in selecting the proper HLA test for the patient.

Expected Turnaround Time

3 - 7 days

Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.

Related Information

Related Documents

Specimen Requirements

Specimen

Whole blood

Volume

7 mL

Minimum Volume

3 mL

Container

Lavender-top (EDTA) tube

Storage Instructions

Maintain specimen at room temperature; protect from extreme heat or cold. Do not freeze.

Causes for Rejection

Hemolyzed specimen; clotted specimen; wrong specimen container

Test Details

Use

Behcet Disease (BD) is a rare, chronic, multisystem disease caused by vasculitis of blood vessels throughout the body. The disease course is marked by recurrent ulcers of the oral and genital regions, often with severe ocular inflammation that may lead to visual impairment or blindness. This disease is found most often in individuals that carry the HLA B*51 allele of the major histocompatibily complex (MHC). HLA B*51 is the predominant risk factor for BD in all populations studied, however not all BD patients carry the B*51 allele. The disease is prevalent in countries in the eastern Mediterranean, the Middle East, and East Asia and in individuals of Middle Eastern, Far Eastern and Mediterranean decent.

Limitations

This test was developed, and its performance characteristics determined, by LabCorp. It has not been cleared or approved by the US Food and Drug Administration (FDA).

Methodology

Sequence-based typing (SBT), sequence-specific oligonucleotide probes (SSOP), and/or sequence-specific primers (SSP) as needed to obtain the required resolution.

References

Ombrello MJ, Kirino Y, de Bakker PI, Gül A, Kastner DL, Remmers EF. Behcet disease-associated MHC class I residues implicate antigen binding and regulation of cell-mediated cytotoxicity. Proc Natl Acad Sci USA. 2014 Jun 17;111(24):8867-8872.24821759
Verity DH, Wallace GR, Vaughan RW, Stanford MR. Behcet's disease: From Hippocrates to the third millennium. Br J Ophthalmol. 2003 Sep;87(9):1175-1183.12928293

LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
167389 HLA B*51 Disease Association 13299-3 167729 HLA-B 13299-3
167389 HLA B*51 Disease Association 13299-3 167730 HLA-B 13299-3
167389 HLA B*51 Disease Association 13299-3 167384 HLA Methodology 49549-9

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