The James J. Peters Bronx VA Medical Center (JJP VAMC) requires comprehensive donor-derived cell-free DNA (dd-cfDNA) testing kits and laboratory services to support the Renal Transplant Program. These... The James J. Peters Bronx VA Medical Center (JJP VAMC) requires comprehensive donor-derived cell-free DNA (dd-cfDNA) testing kits and laboratory services to support the Renal Transplant Program. These services are intended to support post-transplant surveillance for kidney transplant recipients.