N00.A
ICD-10BillableAcute nephritic syndrome with C3 glomerulonephritis
Official ICD-10-CM descriptor (FY2026)
Acute nephritic syndrome with C3 glomerulonephritis
N00.A is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Acute nephritic syndrome with C3 glomerulopathy, NOS
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- Acute nephritic syndrome (with C3 glomerulopathy) with dense deposit disease (N00.6)
Related codes in N00
- N00.0Acute nephritic syndrome with minor glomerular abnormality
- N00.1Acute neph syndrome w focal and segmental glomerular lesions
- N00.2Acute nephritic syndrome w diffuse membranous glomrlneph
- N00.3Acute neph syndrome w diffuse mesangial prolif glomrlneph
- N00.4Acute neph syndrome w diffuse endocaplry prolif glomrlneph
- N00.5Acute nephritic syndrome w diffuse mesangiocap glomrlneph
- N00.6Acute nephritic syndrome with dense deposit disease
- N00.7Acute nephritic syndrome w diffuse crescentic glomrlneph
- N00.8Acute nephritic syndrome with other morphologic changes
- N00.9Acute nephritic syndrome with unsp morphologic changes
- N00.BAcute neph synd with immune complex membr prolif glomrlnephcategory
Where this code sits
- Parent code
- N00
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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.