N03.1Billable
Chronic nephritic syndrome with focal and segmental glomerular lesions
Short description: Chronic neph syndrome w focal and seg glomerular lesions
- Chapter
- 14. Diseases of the genitourinary system
- Category
- N03
- Effective date
- October 1, 2026
Related codes in category N03
N03Chronic nephritic syndromeN03.0Chronic nephritic syndrome with minor glomerular abnormalityYesN03.2Chronic nephritic syndrome w diffuse membranous glomrlnephYesN03.3Chronic neph syndrome w diffuse mesangial prolif glomrlnephYesN03.4Chronic neph syndrome w diffuse endocaplry prolif glomrlnephYesN03.5Chronic nephritic syndrome w diffuse mesangiocap glomrlnephYesN03.6Chronic nephritic syndrome with dense deposit diseaseYesN03.7Chronic nephritic syndrome w diffuse crescentic glomrlnephYesN03.8Chronic nephritic syndrome with other morphologic changesYesN03.9Chronic nephritic syndrome with unsp morphologic changesYesN03.AChronic nephritic syndrome with C3 glomerulonephritisYes
Frequently asked questions
What is ICD-10 code N03.1?
N03.1 is an ICD-10-CM diagnosis code for Chronic nephritic syndrome with focal and segmental glomerular lesions.
Is N03.1 a billable code?
Yes. N03.1 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is N03.1 in?
N03.1 falls under Chapter 14: Diseases of the genitourinary system.
When did N03.1 become effective?
N03.1 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to N03.1?
N03.1 belongs to category N03, 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.