N18Chronic kidney disease (CKD)
ICD-10-CM category (non-billable header) code — part of Acute kidney failure and chronic kidney disease (N17-N19)
Coding Notes
Code First
- any associated:
- diabetic chronic kidney disease (E08.22, E09.22, E10.22, E11.22, E13.22)
- hypertensive chronic kidney disease (I12.-, I13.-)
Use Additional Code
- code, if applicable, to identify:
- associated cachexia (E88.A)
- kidney transplant status (Z94.0)
Subcategories (7)
- N18.1 Chronic kidney disease, stage 1
- N18.2 Chronic kidney disease, stage 2 (mild)
- N18.3 Chronic kidney disease, stage 3 (moderate)
- N18.4 Chronic kidney disease, stage 4 (severe)
- N18.5 Chronic kidney disease, stage 5
- N18.6 End stage renal disease
- N18.9 Chronic kidney disease, unspecified