Diseases of Genitourinary System (N00 – N99)
- If both CKD & ESRD were documented then assign code N18.6.
- The severity of chronic kidney disease(CKD) based on stages;
- Stage 1 – N18.1
- Stage 2 (mild) – N18.2
- Stage 3 (moderate) – N18.30 & N18.3.
- Stage 4 (severe) – N18.4
- Stage 5 (End stage renal disease) ESRD – N18.6