Moving from the donors who provide organs to the patients who need them, this chapter explores how certain patients came to be deemed worthy of transplantation—and others did not—in ways that embodied ideas about the worth of the transplant enterprise itself. The chapter attends first to the contingent interpellative processes required simply to identify bodily dis-ease as kidney disease, kidney disease as treatable, and transplantation as both attainable and desirable in Mexico. The footsteps of patients are then followed at close range through the capillary processes that lead (for some) to becoming a candidate for kidney transplantation. Attending to the...