N04.B
⚠ Non-billable
Nephrotic syndrome with immune complex membranoproliferative glomerulonephritis (IC-MPGN)
ICD-10-CM · FY2026 · Diseases of the Genitourinary System
Code
N04.B
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 N04.B?
ICD-10-CM code N04.B represents Nephrotic syndrome with immune complex membranoproliferative glomerulonephritis (IC-MPGN). 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 N04.B billable?
No. N04.B is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is N04.B in?
N04.B belongs to the Diseases of the Genitourinary System chapter (N00–N99) of ICD-10-CM.
Related codes in the N04 category
N04
Nephrotic syndrome
Non-billable
N04.0
Nephrotic syndrome with minor glomerular abnormality
Billable
N04.1
Nephrotic syndrome with focal and segmental glomerular lesions
Billable
N04.2
Nephrotic syndrome with diffuse membranous glomerulonephritis
Non-billable
N04.3
Nephrotic syndrome with diffuse mesangial proliferative glomerulonephritis
Billable
N04.4
Nephrotic syndrome with diffuse endocapillary proliferative glomerulonephritis
Billable
N04.5
Nephrotic syndrome with diffuse mesangiocapillary glomerulonephritis
Billable
N04.6
Nephrotic syndrome with dense deposit disease
Billable
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