PGDx elio plasma focus Dx is the first and only FDA-authorized pan solid tumor liquid biopsy kitted solution...PGDx elio plasma focus Dx is a qualitative next-generation sequencing-based in vitro diagnostic device that uses targeted high throughput hybridization-based capture technology for the detection of single nucleotide variants (SNVs), insertions and deletions (indels) in 33 genes, copy number amplifications (CNAs) in five genes, and translocations in three genes.