Abstract: The present disclosure relates generally to the field of diagnostic and prognostic assays for diseases and conditions of the systemic vasculature. The present disclosure teaches an assay for identifying such a disease or condition of the systemic vasculature as well as classifying and determining the state or stage of the disease or condition or the risk of developing the disease or condition. The assay enabled herein is also useful in the stratification of a subject with respect to a risk of developing various diseases and conditions of systemic vasculature. The assay taught herein is also capable of integration into pathology architecture to provide a diagnostic and reporting system.