N00Header code — not billable
Acute nephritic syndrome
- Chapter
- 14. Diseases of the genitourinary system
- Category
- N00
- Effective date
- October 1, 2026
Related codes in category N00
N00.0Acute nephritic syndrome with minor glomerular abnormalityYesN00.1Acute neph syndrome w focal and segmental glomerular lesionsYesN00.2Acute nephritic syndrome w diffuse membranous glomrlnephYesN00.3Acute neph syndrome w diffuse mesangial prolif glomrlnephYesN00.4Acute neph syndrome w diffuse endocaplry prolif glomrlnephYesN00.5Acute nephritic syndrome w diffuse mesangiocap glomrlnephYesN00.6Acute nephritic syndrome with dense deposit diseaseYesN00.7Acute nephritic syndrome w diffuse crescentic glomrlnephYesN00.8Acute nephritic syndrome with other morphologic changesYesN00.9Acute nephritic syndrome with unsp morphologic changesYesN00.AAcute nephritic syndrome with C3 glomerulonephritisYesN00.BAcute neph synd with immune complex membr prolif glomrlneph
Frequently asked questions
What is ICD-10 code N00?
N00 is an ICD-10-CM diagnosis code for Acute nephritic syndrome.
Is N00 a billable code?
No. N00 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is N00 in?
N00 falls under Chapter 14: Diseases of the genitourinary system.
When did N00 become effective?
N00 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to N00?
N00 belongs to category N00, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.