N04 Nephrotic syndrome

Category / Non-billable header 18 subcodes

Block: Glomerular diseases (N00-N08)

Includes

  • congenital nephrotic syndrome
  • lipoid nephrosis

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
N04..0 Nephrotic syndrome with minor glomerular abnormality Yes
N04..1 Nephrotic syndrome with focal and segmental glomerular lesions Yes
N04..2 Nephrotic syndrome with diffuse membranous glomerulonephritis No
N04..20 Nephrotic syndrome with diffuse membranous glomerulonephritis, unspecified Yes
N04..21 Primary membranous nephropathy with nephrotic syndrome Yes
N04..22 Secondary membranous nephropathy with nephrotic syndrome Yes
N04..29 Other nephrotic syndrome with diffuse membranous glomerulonephritis Yes
N04..3 Nephrotic syndrome with diffuse mesangial proliferative glomerulonephritis Yes
N04..4 Nephrotic syndrome with diffuse endocapillary proliferative glomerulonephritis Yes
N04..5 Nephrotic syndrome with diffuse mesangiocapillary glomerulonephritis Yes
N04..6 Nephrotic syndrome with dense deposit disease Yes
N04..7 Nephrotic syndrome with diffuse crescentic glomerulonephritis Yes
N04..8 Nephrotic syndrome with other morphologic changes Yes
N04..9 Nephrotic syndrome with unspecified morphologic changes Yes
N04..A Nephrotic syndrome with C3 glomerulonephritis Yes
N04..B Nephrotic syndrome with immune complex membranoproliferative glomerulonephritis (IC-MPGN) No
N04..B1 Nephrotic syndrome with idiopathic immune complex membranoproliferative glomerulonephritis (IC-MPGN) Yes
N04..B2 Nephrotic syndrome with secondary immune complex membranoproliferative glomerulonephritis (IC-MPGN) Yes

Last reviewed: September 2026