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N18.3

Non-billable

Chronic kidney disease, stage 3 (moderate)

N18.3 is the ICD-10-CM code for Chronic kidney disease, stage 3 (moderate). It is a non-billable category code — use a more specific child code such as N18.30 for billing.

Status
Header (non-billable)
Chapter
N00-N99
Parent
N18
Subcodes
3
Edition
FY2026

N00-N99 Diseases of the genitourinary system

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code N18.3?
N18.3 is the ICD-10-CM code for "Chronic kidney disease, stage 3 (moderate)". It falls under N00-N99 Diseases of the genitourinary system.
Is N18.3 a billable code?
No — N18.3 is a non-billable header code. Use a more specific child code (such as N18.30) for billing.
What are the subcodes of N18.3?
N18.3 has 3 more specific child codes, including N18.30, N18.31, N18.32.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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