N18.2

N18.2

Billable

Chronic kidney disease, stage 2 (mild)

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

Stage 2 chronic kidney disease where kidney function is mildly decreased with a GFR of 60-89, and there is evidence of kidney damage.

Coding Tips

•Confirm GFR range (60-89 mL/min/1.73m²) is documented in the medical record before assigning this code
•Include the etiology code (such as E11.22 for diabetes with CKD) to provide complete clinical picture

Code Hierarchy

└N18Chronic kidney disease (CKD)└N18.2Chronic kidney disease, stage 2 (mild)

└N18.2Chronic kidney disease, stage 2 (mild)