AACC/NKF Guidance Document on Improving Equity in Chronic Kidney Disease Care

Christina C. Pierre, Mark A. Marzinke, Sofia B. Ahmed, David Collister, Jessica M. Colón-Franco, Melanie P. Hoenig, Thomas Lorey, Paul M. Palevsky, Octavia Peck Palmer, Sylvia E. Rosa, Joseph Vassalotti, Cameron T. Whitley, Dina N. Greene

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1 Scopus citations


Background: Kidney disease (KD) is an important health equity issue with Black, Hispanic, and socioeconomically disadvantaged individuals experiencing a disproportionate disease burden. Prior to 2021, the commonly used estimated glomerular filtration rate (eGFR) equations incorporated coefficients for Black race that conferred higher GFR estimates for Black individuals compared to non-Black individuals of the same sex, age, and blood creatinine concentration. With a recognition that race does not delineate distinct biological categories, a joint task force of the National Kidney Foundation and the American Society of Nephrology recommended the adoption of the CKD-EPI 2021 race-agnostic equations. Content: This document provides guidance on implementation of the CKD-EPI 2021 equations. It describes recommendations for KD biomarker testing, and opportunities for collaboration between clinical laboratories and providers to improve KD detection in high-risk populations. Further, the document provides guidance on the use of cystatin C, and eGFR reporting and interpretation in gender-diverse populations. Summary: Implementation of the CKD-EPI 2021 eGFR equations represents progress toward health equity in the management of KD. Ongoing efforts by multidisciplinary teams, including clinical laboratorians, should focus on improved disease detection in clinically and socially high-risk populations. Routine use of cystatin C is recommended to improve the accuracy of eGFR, particularly in patients whose blood creatinine concentrations are confounded by processes other than glomerular filtration. When managing gender-diverse individuals, eGFR should be calculated and reported with both male and female coefficients. Gender-diverse individuals can benefit from a more holistic management approach, particularly at important clinical decision points.

Original languageEnglish
Pages (from-to)789-816
Number of pages28
JournalJournal of Applied Laboratory Medicine
Issue number4
StatePublished - 1 Jul 2023


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