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N04

Non-billable

Nephrotic syndrome

N04 is the ICD-10-CM code for Nephrotic syndrome. It is a non-billable category code — use a more specific child code such as N04.0 for billing.

Status
Header (non-billable)
Chapter
N00-N99
Subcodes
12
Edition
FY2026

N00-N99 Diseases of the genitourinary system

Includes

  • •congenital nephrotic syndrome
  • •lipoid nephrosis

Frequently asked questions

What is ICD-10 code N04?
N04 is the ICD-10-CM code for "Nephrotic syndrome". It falls under N00-N99 Diseases of the genitourinary system.
Is N04 a billable code?
No — N04 is a non-billable header code. Use a more specific child code (such as N04.0) for billing.
What are the subcodes of N04?
N04 has 12 more specific child codes, including N04.0, N04.1, N04.2.

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

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