N00 ICD-10-CM Code: Acute nephritic syndrome

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Official description

N00

Acute nephritic syndrome

ICD-10-CM diagnosis code · United States clinical modification

Where N00 sits

  1. 1

    Chapter 14

    Diseases of the genitourinary system (N00-N99)

  2. 2

    Section

    Glomerular diseases (N00-N08)

  3. 3

    Category N00

    Acute nephritic syndrome

  4. 4

    Code N00

    Acute nephritic syndrome

Codes under N00

N00 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Notes for this code

Inclusion terms

No inclusion terms are listed for N00.

Code first

No “code first” instruction is listed for N00.

Use additional code

No “use additional code” instruction is listed for N00.

Excludes1

Conditions that should not be reported together with this code.

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

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for N00.

Source and release

Data release
U.S. ICD-10-CM · FY 2027
Effective date
Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Frequently asked questions

What does ICD-10-CM code N00 mean?

N00 is the FY 2027 U.S. ICD-10-CM code for “Acute nephritic syndrome.”

Is N00 a billable or specific ICD-10-CM code?

No. N00 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is N00 located in ICD-10-CM?

N00 is listed in Chapter 14, Diseases of the genitourinary system (N00-N99), within Glomerular diseases (N00-N08) (N00–N08), under category N00, Acute nephritic syndrome.

What coding notes are listed for N00?

No inclusion terms are listed for N00 in this reference record. No code-first instruction is listed. Excludes1 notes: acute tubulo-interstitial nephritis (N10); nephritic syndrome NOS (N05.-). No Excludes2 note is listed.