Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Test Name: Sunquest Test Code Epic Procedure Code Or ID CPT Code:  

HLA A29 DAN TYPING, BIRDSHOT RETINOCHOROIDOPATHY

ORDERING INFORMATION:
Sunquest Test Code:
HLAA29      Geisinger Epic Procedure Code: 81374.01         Geisinger Epic ID: 41910

SPECIMEN COLLECTION
Specimen type:
Whole blood
Preferred collection container:
Specimen required:
15 mL whole blood (5 mL minimum)
Special notes:
A separate EDTA (lavender-top) tube must be submitted for all HLA testing. If submitted with any other test requiring an EDTA tube, please submit a separate tube for this test. Do not open tube.

SPECIMEN PROCESSING
Transport temperature:
Room temperature.
Specimen stability:
Room temperature: 7 days. Refrigerated: 7 days.
Rejection criteria:
Frozen specimen. Specimen collected in heparinized tube.

TEST DETAILS
CPT code(s):
81374
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Methodology:
Polymerase Chain Reaction Amplification/Sequence Specific Oligonucleotide Probes (PCR-SSO)
Synonyms:
Birdshot retinochoroidopathy, BSCR
HLA-A29 DNA typing
Quest test code 16773
Clinical significance:
Birdshot retinochoroidopathy (BSCR) is a rare posterior uveitis characterized by distinctive, multiple, hypopigmented choroidal and retinal lesions. More than 97% of BSCR patients carry HLA-A29. The frequency of HLA-A29 in the general US population is 8%. Together with clinical manifestations, HLA-A29 typing is used for diagnosis of BSCR.

Performing Locations

Quest Diagnostics

Technical Lead: Michael Weaver    
Frequency: Monday-Friday a.m.    
Performed stat? No
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