N04
ICD-10Non-billable categoryNephrotic syndrome
Official ICD-10-CM descriptor (FY2026)
Nephrotic syndrome
N04 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Includes
- congenital nephrotic syndrome
- lipoid nephrosis
More specific codes under N04
- N04.0Nephrotic syndrome with minor glomerular abnormality
- N04.1Nephrotic syndrome w focal and segmental glomerular lesions
- N04.2Nephrotic syndrome w diffuse membranous glomerulonephritiscategory
- N04.3Nephrotic syndrome w diffuse mesangial prolif glomrlneph
- N04.4Nephrotic syndrome w diffuse endocaplry prolif glomrlneph
- N04.5Nephrotic syndrome w diffuse mesangiocapillary glomrlneph
- N04.6Nephrotic syndrome with dense deposit disease
- N04.7Nephrotic syndrome w diffuse crescentic glomerulonephritis
- N04.8Nephrotic syndrome with other morphologic changes
- N04.9Nephrotic syndrome with unspecified morphologic changes
- N04.ANephrotic syndrome with C3 glomerulonephritis
- N04.BNeph synd with imm cmplx membr prolif glomrlneph (IC-MPGN)category
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.