N05
ICD-10Non-billable categoryUnspecified nephritic syndrome
Official ICD-10-CM descriptor (FY2026)
Unspecified nephritic syndrome
N05 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
- glomerular disease NOS
- glomerulonephritis NOS
- nephritis NOS
- nephropathy NOS and renal disease NOS with morphological lesion specified in .0-.8
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- nephropathy NOS with no stated morphological lesion (N28.9)
- renal disease NOS with no stated morphological lesion (N28.9)
- tubulo-interstitial nephritis NOS (N12)
More specific codes under N05
- N05.0Unsp nephritic syndrome with minor glomerular abnormality
- N05.1Unsp neph syndrome w focal and segmental glomerular lesions
- N05.2Unsp nephritic syndrome w diffuse membranous glomrlneph
- N05.3Unsp neph syndrome w diffuse mesangial prolif glomrlneph
- N05.4Unsp neph syndrome w diffuse endocaplry prolif glomrlneph
- N05.5Unsp nephritic syndrome w diffuse mesangiocap glomrlneph
- N05.6Unspecified nephritic syndrome with dense deposit disease
- N05.7Unsp nephritic syndrome w diffuse crescentic glomrlneph
- N05.8Unsp nephritic syndrome with other morphologic changes
- N05.9Unsp nephritic syndrome with unspecified morphologic changes
- N05.AUnspecified nephritic syndrome with C3 glomerulonephritis
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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.