N04.9 Nephrotic syndrome with unspecified morphologic changes

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applies from N04 Nephrotic syndrome

Includes

• congenital nephrotic syndrome
• lipoid nephrosis

MS-DRG index

Defines the logic of DRG(s) 698-700 in MDC 11.

Approximate ICD-9-CM (GEMs)

• 581.9 Nephrotic syndrome with unspecified pathological lesion in kidney (approximate)

Code annotations containing back-references to N04.9

Back-references to N04

• Type 1 Excludes: Q63 Other congenital malformations of kidney ("congenital nephrotic syndrome (N04.-)")

Diagnosis Index entries for N04.9

• Anasarca › renal
• Disease, diseased › foot process
• Lipoid › nephrosis
• Nephritis, nephritic (albuminuric) (azotemic) (congenital) (disseminated) (epithelial) (familial) (focal) (granulomatous) (hemorrhagic) (infantile) (nonsuppurative, excretory) (uremic) › with › foot process disease
• Nephrosis, nephrotic (Epstein's) (syndrome) (congenital)
• Nephrosis, nephrotic (Epstein's) (syndrome) (congenital) › with › foot process disease
• Nephrosis, nephrotic (Epstein's) (syndrome) (congenital) › acute
• Nephrosis, nephrotic (Epstein's) (syndrome) (congenital) › lipoid
• Nephrosis, nephrotic (Epstein's) (syndrome) (congenital) › radiation
• Nephrosis, nephrotic (Epstein's) (syndrome) (congenital) › tubular (acute) › radiation
• Syndrome › idiopathic › nephrotic (infantile)
• Syndrome › nephrotic (congenital)

Nearby codes

• N04.4 Nephrotic syndrome with diffuse endocapillary proliferative glomerulonephritis
• N04.5 Nephrotic syndrome with diffuse mesangiocapillary glomerulonephritis
• N04.6 Nephrotic syndrome with dense deposit disease
• N04.7 Nephrotic syndrome with diffuse crescentic glomerulonephritis
• N04.8 Nephrotic syndrome with other morphologic changes
• N04.9 Nephrotic syndrome with unspecified morphologic changes (this code)
• N04.A Nephrotic syndrome with C3 glomerulonephritis
• N04.B Nephrotic syndrome with immune complex membranoproliferative glomerulonephritis (IC-MPGN)
• N04.B1 Nephrotic syndrome with idiopathic immune complex membranoproliferative glomerulonephritis (IC-MPGN)
• N04.B2 Nephrotic syndrome with secondary immune complex membranoproliferative glomerulonephritis (IC-MPGN)