Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

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

HLA B27 ANTIGEN

ORDERING INFORMATION:
Sunquest Test Code:
B27H      Geisinger Epic Procedure Code: 86812.04         Geisinger Epic ID: 33443

SPECIMEN COLLECTION
Specimen type:
Whole blood
Preferred collection container:
Alternate Collection Container:
4 mL green/green-top (sodium heparin) tube
Specimen required:
One full tube of whole blood (see above).
Special notes:
Collect and send promptly. Transport just before or during weekends or holidays could result in preassay delay and should be avoided.

SPECIMEN PROCESSING
Specimen processing instructions:
Do not centrifuge, refrigerate or freeze. 
Transport temperature:
Room temperature in styrofoam container, do not expose to extremes of temperature.
Specimen stability:
ACD solution A: Stable 72 hours at room temperature. Sodium heparin tube: 48 hours at room temperature.
Rejection criteria:
Stability exceeded, hemolyzed, clotted or frozen specimens.

TEST DETAILS
Reference interval:
Not detected.
Additional information:
Frequency of occurrence: 6-8% in Caucasians; 3-4% in African-Americans; 1% in Asians.
CPT code(s):
86812
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.
Test includes:
Detection of HLA-B27 in whole blood.
Methodology:
Flow Cytometry
Synonyms:
HLB27
HLAB27
Clinical significance:
There is a strong association between the presence of HLA-B27 antigen and an increased incidence of ankylosing spondylitis as well as several other disorders, such as Reiter's syndrome, psoriatic arthritis, and arthroplasties associated with inflammatory bowel diseases. These disorders are collectively known as the seronegative spondyloarthropathies. An HLA-B27-positive patient is more likely to exhibit spondyloarthropathies than an HLA-B27-negative person.
Doctoral Director(s:)
Kai Zhang M.D.    
Review Date: 11/14/2018

Performing Locations

Geisinger Medical Center

Performing laboratory: Flow Cytometry
Technical Lead: Michele Adler
Frequency: 1st shift 7am to 5pm. Call 570-271-5261 during hours of operation
Performed stat? No
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