Get started free

N00

Non-billable

Acute nephritic syndrome

N00 is the ICD-10-CM code for Acute nephritic syndrome. It is a non-billable category code — use a more specific child code such as N00.0 for billing.

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

N00-N99 Diseases of the genitourinary system

Includes

  • •acute glomerular disease
  • •acute glomerulonephritis
  • •acute nephritis

Excludes1 — not coded here

  • •acute tubulo-interstitial nephritis (N10)
  • •nephritic syndrome NOS (N05.-)

Frequently asked questions

What is ICD-10 code N00?
N00 is the ICD-10-CM code for "Acute nephritic syndrome". It falls under N00-N99 Diseases of the genitourinary system.
Is N00 a billable code?
No — N00 is a non-billable header code. Use a more specific child code (such as N00.0) for billing.
What are the subcodes of N00?
N00 has 12 more specific child codes, including N00.0, N00.1, N00.2.
What is excluded from N00?
Excludes1 (not coded here): acute tubulo-interstitial nephritis (N10); nephritic syndrome NOS (N05.-).

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

Look up another ICD-10 code or condition

Powered by Eleplan

Free ICD-10 lookup is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, with Ellie, your AI care assistant, on top of it. Free to start.

Get started freeSee how Eleplan works →