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Ankylosing Spondylitis Diagnosis
Health Encyclopedia: Hla B27 Antigen
Human leukocyte antigen B27
Normal Values
HLA-B27 is found in 5 - 7% of Caucasian people without autoimmune disease.
What abnormal results mean
A positive test indicates a greater-than-average risk for developing:
- Ankylosing spondylitis
- Reiter's syndrome
- Sacroiliitis (inflammation of the sacroiliac joint)
In the presence of suggestive clinical findings, a positive HLA-B27 test may confirm the diagnosis.
Read more »
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Health Guide
Histocompatibility antigens
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