HLA-B22 (B22) is an HLA - B serotype. B22 is a broad antigen serotype that recognizes the B54, B55, and B56 split antigen serotypes.
References
HLA-B22 Wikipedia(Text) CC BY-SA
HLA-B22 (B22) is an HLA - B serotype. B22 is a broad antigen serotype that recognizes the B54, B55, and B56 split antigen serotypes.