ICD-10-CM › N00-N99 › N00-N08 › N04.B Nephrotic syndrome with immune... › N04.B1

N04.B1

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

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2026 onwards.

What has happened to this code

Every change the publisher made, from 2026 to now.

  1. FY2026 Added to the code set Nephrotic syndrome with idiopathic immune complex membranoproliferative glomerulonephritis (IC-MPGN)

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from N04 Nephrotic syndrome

Includes

  • congenital nephrotic syndrome
  • lipoid nephrosis

Inherited from the N00-N08 section Glomerular diseases (N00-N08)

Excludes1 - never coded here

  • hypertensive chronic kidney disease (I12.-)

Code also

  • any associated kidney failure (N17-N19).

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Codes in the same group

CodeDescriptionStatus
N04.B2 Nephrotic syndrome with secondary immune complex membranoproliferative glomerulonephritis (IC-MPGN) Valid