N04Header code — not billable
Nephrotic syndrome
- Chapter
- 14. Diseases of the genitourinary system
- Category
- N04
- Effective date
- October 1, 2026
Related codes in category N04
N04.0Nephrotic syndrome with minor glomerular abnormalityYesN04.1Nephrotic syndrome w focal and segmental glomerular lesionsYesN04.2Nephrotic syndrome w diffuse membranous glomerulonephritisN04.20Nephrotic syndrome with diffuse membranous glomrlneph, unspYesN04.21Primary membranous nephropathy with nephrotic syndromeYesN04.22Secondary membranous nephropathy with nephrotic syndromeYesN04.29Other nephrotic syndrome with diffuse membranous glomrlnephYesN04.3Nephrotic syndrome w diffuse mesangial prolif glomrlnephYesN04.4Nephrotic syndrome w diffuse endocaplry prolif glomrlnephYesN04.5Nephrotic syndrome w diffuse mesangiocapillary glomrlnephYesN04.6Nephrotic syndrome with dense deposit diseaseYesN04.7Nephrotic syndrome w diffuse crescentic glomerulonephritisYes
Frequently asked questions
What is ICD-10 code N04?
N04 is an ICD-10-CM diagnosis code for Nephrotic syndrome.
Is N04 a billable code?
No. N04 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 N04 in?
N04 falls under Chapter 14: Diseases of the genitourinary system.
When did N04 become effective?
N04 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to N04?
N04 belongs to category N04, 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.