This section is about assessment of HLA profile of a person for organ transplant. Extent of assessment depends on type of organ transplant, available time and resources. There are three aspects of this assessment: HLA typing Assessment of HLA antibodies Crossmatch This section has discussion about: HLA antigen typing Identification of HLA alleles by Sequence specific oligonucleotide (SSOP-PCR), Sequence specific primers (SSP- PCR) and Real time PCR. Assessment of PRA Assessment of HLA antigens by Solid Phase Assays Single antigen Bead testing CDC Crossmatch Flow Crossmatch and Virtual Crossmatch.