KDIGO prognosis heat map of albuminuria and eGFR classification. Green: low risk (if no other markers of kidney disease, no CKD); yellow: moderately increased risk; orange: high risk; red, very high risk. Reprinted from Kidney International Supplements, Volume 3, Issue 1, KDIGO 2012 Clinical Practice Guideline for the Evaluation and Management of Chronic Kidney Disease/Summary of Recommendation Statements, Page 6, (2013), with permission from Elsevier.