N01
ICD-10Non-billable categoryRapidly progressive nephritic syndrome
Official ICD-10-CM descriptor (FY2026)
Rapidly progressive nephritic syndrome
N01 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
- rapidly progressive glomerular disease
- rapidly progressive glomerulonephritis
- rapidly progressive nephritis
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- nephritic syndrome NOS (N05.-)
More specific codes under N01
- N01.0Rapidly progr nephritic syndrome w minor glomerular abnlt
- N01.1Rapidly progr neph synd w focal and seg glomerular lesions
- N01.2Rapidly progr neph syndrome w diffuse membranous glomrlneph
- N01.3Rapidly progr neph synd w diffus mesangial prolif glomrlneph
- N01.4Rapid progr neph synd w diffus endocaplry prolif glomrlneph
- N01.5Rapidly progr neph syndrome w diffuse mesangiocap glomrlneph
- N01.6Rapidly progr nephritic syndrome w dense deposit disease
- N01.7Rapidly progr neph syndrome w diffuse crescentic glomrlneph
- N01.8Rapidly progr nephritic syndrome w oth morphologic changes
- N01.9Rapidly progr nephritic syndrome w unsp morphologic changes
- N01.ARapidly progressive nephritic syndrome with C3 glomrlneph
Where this code sits
Krasyn AI Coder
Get code suggestions automatically as you type notes. Free for 50 analyses.
Install for Chrome — freeSource
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.