N01
⚠ Non-billable
Rapidly progressive nephritic syndrome
ICD-10-CM · FY2026 · Diseases of the Genitourinary System
Code
N01
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 N01?
ICD-10-CM code N01 represents Rapidly progressive 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 N01 billable?
No. N01 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is N01 in?
N01 belongs to the Diseases of the Genitourinary System chapter (N00–N99) of ICD-10-CM.
Related codes in the N01 category
N01.0
Rapidly progressive nephritic syndrome with minor glomerular abnormality
Billable
N01.1
Rapidly progressive nephritic syndrome with focal and segmental glomerular lesions
Billable
N01.2
Rapidly progressive nephritic syndrome with diffuse membranous glomerulonephritis
Billable
N01.3
Rapidly progressive nephritic syndrome with diffuse mesangial proliferative glomerulonephritis
Billable
N01.4
Rapidly progressive nephritic syndrome with diffuse endocapillary proliferative glomerulonephritis
Billable
N01.5
Rapidly progressive nephritic syndrome with diffuse mesangiocapillary glomerulonephritis
Billable
N01.6
Rapidly progressive nephritic syndrome with dense deposit disease
Billable
N01.7
Rapidly progressive nephritic syndrome with diffuse crescentic glomerulonephritis
Billable
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