REF MISC
HLA-A29 Uveitis
Synonyms:
Birdshot Chorioretinopathy
HLA A29
Performing Lab:
Referral Laboratory
Container Type:
Lavender top (EDTA) tube
Specimen Type:
Whole Blood
Preferred Volume:
7 mL
Minimum Volume:
3 mL
Store and Transport:
Room Temperature
Unacceptable Condition:
Hemolysis; clotted specimen.
CPT Codes:
81381
Method:
Sequence-based typing (SBT), sequence-specific oligonucleotide probes (SSOP), and/or sequence-specific primers (SSP) as needed to obtain the required resolution.
Clinical Significance:
The presence of HLA A*29 alone is not sufficient for a diagnosis of Birdshot Chorioretinopathy. Many individuals with HLA A*29 do not have the disease and some patients with the disease do not have HLA A*29.