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. 2017 Sep 20;7(2):63–70. doi: 10.1016/j.kisu.2017.07.002

Table 3.

Existing International Classification of Disease-10 codes for chronic kidney disease

Code Diagnosis
N18 Chronic kidney disease
N18.1 Chronic kidney disease, stage 1 (GFR, ≥90 ml/min per 1.73 m2)
N18.2 Chronic kidney disease, stage 2 (GFR, 60–89 ml/min per 1.73 m2)
N18.3 Chronic kidney disease, stage 3 (GFR, 30–59 ml/min per 1.73 m2)
N18.4 Chronic kidney disease, stage 4 (GFR, 15–29 ml/min per 1.73 m2)
N18.5 Chronic kidney disease, stage 5 (GFR, 0–14 ml/min per 1.73 m2)
N18.9 Chronic kidney disease, unspecified

GFR, glomerular filtration rate.