HLA-A68 (A68) is a human leukocyte antigen serotype within HLA-A serotype group. The serotype is determined by the antibody recognition of α68 subset of HLA-A α-chains. For A68, the alpha "A" chain are encoded by the HLA-A*68 allele group and the β-chain are encoded by B2M locus. A68 and A*68 are almost synonymous in meaning. A68 is a split antigen of the broad antigen serotype A28. A68 is a sister serotype of A69.
Further information: HLA serotypes explainedA68 is more common in North America.
Read more about HLA-A68: Serotype, Allele Freqeuncies, A68 Haplotypes