Description

HLA-B27 is a blood test to look for a protein that is found on the surface of white blood cells. The protein is called human leukocyte antigen B27 (HLA-B27). Human leukocyte antigens (HLAs) are proteins that help the body’s immune system tell the difference be-tween its own cells and foreign, harmful substances.

5 business days

Polymerase chain reaction (PCR)

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