N03.9
✓ Billable
Chronic nephritic syndrome with unspecified morphologic changes
ICD-10-CM · FY2026 · Diseases of the Genitourinary System
Code
N03.9
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Genitourinary System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code N03.9?
ICD-10-CM code N03.9 represents Chronic nephritic syndrome with unspecified morphologic changes. It is a billable diagnosis code in the Diseases of the Genitourinary System chapter, effective October 1, 2025 – September 30, 2026.
Is N03.9 billable?
Yes. N03.9 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is N03.9 in?
N03.9 belongs to the Diseases of the Genitourinary System chapter (N00–N99) of ICD-10-CM.
Related codes in the N03 category
N03
Chronic nephritic syndrome
Non-billable
N03.0
Chronic nephritic syndrome with minor glomerular abnormality
Billable
N03.1
Chronic nephritic syndrome with focal and segmental glomerular lesions
Billable
N03.2
Chronic nephritic syndrome with diffuse membranous glomerulonephritis
Billable
N03.3
Chronic nephritic syndrome with diffuse mesangial proliferative glomerulonephritis
Billable
N03.4
Chronic nephritic syndrome with diffuse endocapillary proliferative glomerulonephritis
Billable
N03.5
Chronic nephritic syndrome with diffuse mesangiocapillary glomerulonephritis
Billable
N03.6
Chronic nephritic syndrome with dense deposit disease
Billable
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