N05
⚠ Non-billable
Unspecified nephritic syndrome
ICD-10-CM · FY2026 · Diseases of the Genitourinary System
Code
N05
System
ICD-10-CM
Billable
No — use specific code
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 N05?
ICD-10-CM code N05 represents Unspecified nephritic syndrome. It is a non-billable header code requiring a more specific subcategory in the Diseases of the Genitourinary System chapter, effective October 1, 2025 – September 30, 2026.
Is N05 billable?
No. N05 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is N05 in?
N05 belongs to the Diseases of the Genitourinary System chapter (N00–N99) of ICD-10-CM.
Related codes in the N05 category
N05.0
Unspecified nephritic syndrome with minor glomerular abnormality
Billable
N05.1
Unspecified nephritic syndrome with focal and segmental glomerular lesions
Billable
N05.2
Unspecified nephritic syndrome with diffuse membranous glomerulonephritis
Billable
N05.3
Unspecified nephritic syndrome with diffuse mesangial proliferative glomerulonephritis
Billable
N05.4
Unspecified nephritic syndrome with diffuse endocapillary proliferative glomerulonephritis
Billable
N05.5
Unspecified nephritic syndrome with diffuse mesangiocapillary glomerulonephritis
Billable
N05.6
Unspecified nephritic syndrome with dense deposit disease
Billable
N05.7
Unspecified nephritic syndrome with diffuse crescentic glomerulonephritis
Billable
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