Fig. 2From: Can billing codes accurately identify rapidly progressing stage 3 and stage 4 chronic kidney disease patients: a diagnostic test studyOverall and Stage-specific Sensitivity and Specificity Rates. Sensitivity and specificity rates for chronic kidney disease (CKD) diagnosis using International Classification of Diseases (ICD) codes against gold-standard Kidney Disease Outcomes Quality Initiative (KDOQI) guidelinesBack to article page