N04
N04: Nephrotic syndrome
Non-billable headerICD-10-CM
N04 is a non-billable header ICD-10-CM code for nephrotic syndrome. It cannot be billed on its own: choose one of the more specific child codes below.
Includes
Conditions this code covers.
- congenital nephrotic syndrome
- lipoid nephrosis
Other codes that can never be billed with N04
Their own Excludes1 notes name this code, so the conflict is not listed above.
- N04.5Nephrotic syndrome with diffuse mesangiocapillary glomerulonephritis
- N04.ANephrotic syndrome with C3 glomerulonephritis
- N06.20Isolated proteinuria with diffuse membranous glomerulonephritis, unspecified
- N06.21Primary membranous nephropathy with isolated proteinuria
- N06.22Secondary membranous nephropathy with isolated proteinuria
- Q63Other congenital malformations of kidney
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead N04
12 child codes. Green means billable.
- N04.0Nephrotic syndrome with minor glomerular abnormality
- N04.1Nephrotic syndrome with focal and segmental glomerular lesions
- N04.2Nephrotic syndrome with diffuse membranous glomerulonephritis
- N04.3Nephrotic syndrome with diffuse mesangial proliferative glomerulonephritis
- N04.4Nephrotic syndrome with diffuse endocapillary proliferative glomerulonephritis
- N04.5Nephrotic syndrome with diffuse mesangiocapillary glomerulonephritis
- N04.6Nephrotic syndrome with dense deposit disease
- N04.7Nephrotic syndrome with diffuse crescentic glomerulonephritis
- N04.8Nephrotic syndrome with other morphologic changes
- N04.9Nephrotic syndrome with unspecified morphologic changes
- N04.ANephrotic syndrome with C3 glomerulonephritis
- N04.BNephrotic syndrome with immune complex membranoproliferative glomerulonephritis (IC-MPGN)