N05Header code — not billable
Unspecified nephritic syndrome
- Chapter
- 14. Diseases of the genitourinary system
- Category
- N05
- Effective date
- October 1, 2026
Related codes in category N05
N05.0Unsp nephritic syndrome with minor glomerular abnormalityYesN05.1Unsp neph syndrome w focal and segmental glomerular lesionsYesN05.2Unsp nephritic syndrome w diffuse membranous glomrlnephYesN05.3Unsp neph syndrome w diffuse mesangial prolif glomrlnephYesN05.4Unsp neph syndrome w diffuse endocaplry prolif glomrlnephYesN05.5Unsp nephritic syndrome w diffuse mesangiocap glomrlnephYesN05.6Unspecified nephritic syndrome with dense deposit diseaseYesN05.7Unsp nephritic syndrome w diffuse crescentic glomrlnephYesN05.8Unsp nephritic syndrome with other morphologic changesYesN05.9Unsp nephritic syndrome with unspecified morphologic changesYesN05.AUnspecified nephritic syndrome with C3 glomerulonephritisYes
Frequently asked questions
What is ICD-10 code N05?
N05 is an ICD-10-CM diagnosis code for Unspecified nephritic syndrome.
Is N05 a billable code?
No. N05 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 N05 in?
N05 falls under Chapter 14: Diseases of the genitourinary system.
When did N05 become effective?
N05 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to N05?
N05 belongs to category N05, which includes 11 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.