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Table 46-1

The Classification of Chronic Kidney Disease (National Kidney Foundation Guidelines)

Kidney Damage StageDescriptioneGFR (mL/min per 1.73 m2)
0With risk factors for CKDa>90
1With evidence of kidney damageb>90
2Mild decrease in GFR60-89
3Moderate decrease in GFR30-59
4Severe decrease in GFR15-29
5Kidney failure<15

aDiabetes, high blood pressure, family history, older age, African ancestry.

bAbnormal urinalysis, hematuria, proteinuria, albuminuria.

Abbreviations: CKD, chronic kidney disease; eGFR, estimated glomerular filtration rate.