N04.B

Nephrotic syndrome with immune complex membranoproliferative glomerulonephritis (IC-MPGN)

FY2027Chapter 14: Diseases of the genitourinary system/N00–N08 Glomerular diseases

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

N04.B is a non-billable ICD-10-CM code header for nephrotic syndrome with immune complex membranoproliferative glomerulonephritis (IC-MPGN). Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are N04.B1 Nephrotic syndrome with idiopathic immune complex membranoproliferative glomerulonephritis (IC-MPGN) and N04.B2 Nephrotic syndrome with secondary immune complex membranoproliferative glomerulonephritis (IC-MPGN). Its coding notes include a Code also instruction, 1 Excludes1 entry and 8 Excludes2 entries.

Code also

Two codes may be needed to describe the condition. This note gives no sequencing order.

Also from chapter/block level (1 note)
Inherited from N00–N08 Glomerular diseases
  • any associated kidney failure (N17-N19).

Excludes1

Not coded here. The listed conditions generally should not be reported together.

Also from chapter/block level (1 note)
Inherited from N00–N08 Glomerular diseases
  • hypertensive chronic kidney disease (I12.-)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Also from chapter/block level (8 notes)
Inherited from Chapter 14 Diseases of the genitourinary system
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Includes

Further defines or gives examples of the content of the category.

Inherited from N04 Nephrotic syndrome
  • congenital nephrotic syndrome
  • lipoid nephrosis

More specific codes under N04.B 2