MHC Dextramer® products are utilized for the quantification or sorting of antigen-specific T cells. Immudex also provides MHC Multimer and Elispot proficiency panel services worldwide. The CE-marked and FDA 510(k)-cleared Dextramer CMV Kit is utilized for enumeration of cytomegalovirus (CMV)-specific CD8+ T cells in transplantation. DNA-barcoded Dextramer enables simultaneous detection of over 1000 T cell specificities in a small sample. 10x Genomics-compatible Dextramers enable interrogation of gene expression, cell surface phenotype, and TCR sequencing in a single workflow.