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.