ICD-10 · PDGM grouping
N01 Rapidly progressive nephritic syndrome
All 11 codes in the N01 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.
Codes in family
11
Can lead a claim
10
Cannot lead a claim
1
What CMS assigns to N01
10 of the 11 codes group to MMTA - Gastrointestinal tract and Genitourinary system (6) and MMTA - Other (4); 1 is assigned no clinical group. None of the 11 is assigned a comorbidity subgroup. 10 of the 11 can lead a claim.
Every code in N01
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| N01.0 | Rapidly progressive nephritic syndrome with minor glomerular abnormalityCMS: Rapidly progr nephritic syndrome w minor glomerular abnlt | Can lead a claim | A | None |
| N01.1 | Rapidly progressive nephritic syndrome with focal and segmental glomerular lesionsCMS: Rapidly progr neph synd w focal and seg glomerular lesions | Can lead a claim | A | None |
| N01.2 | Rapidly progressive nephritic syndrome with diffuse membranous glomerulonephritisCMS: Rapidly progr neph syndrome w diffuse membranous glomrlneph | Can lead a claim | J | None |
| N01.3 | Rapidly progressive nephritic syndrome with diffuse mesangial proliferative glomerulonephritisCMS: Rapidly progr neph synd w diffus mesangial prolif glomrlneph | Can lead a claim | J | None |
| N01.4 | Rapidly progressive nephritic syndrome with diffuse endocapillary proliferative glomerulonephritisCMS: Rapid progr neph synd w diffus endocaplry prolif glomrlneph | Can lead a claim | A | None |
| N01.5 | Rapidly progressive nephritic syndrome with diffuse mesangiocapillary glomerulonephritisCMS: Rapidly progr neph syndrome w diffuse mesangiocap glomrlneph | Can lead a claim | J | None |
| N01.6 | Rapidly progressive nephritic syndrome with dense deposit diseaseCMS: Rapidly progr nephritic syndrome w dense deposit disease | Can lead a claim | A | None |
| N01.7 | Rapidly progressive nephritic syndrome with diffuse crescentic glomerulonephritisCMS: Rapidly progr neph syndrome w diffuse crescentic glomrlneph | Can lead a claim | J | None |
| N01.8 | Rapidly progressive nephritic syndrome with other morphologic changesCMS: Rapidly progr nephritic syndrome w oth morphologic changes | Can lead a claim | J | None |
| N01.9 | Rapidly progressive nephritic syndrome with unspecified morphologic changesCMS: Rapidly progr nephritic syndrome w unsp morphologic changes | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| N01.A | Rapidly progressive nephritic syndrome with C3 glomerulonephritisCMS: Rapidly progressive nephritic syndrome with C3 glomrlneph | Can lead a claim | J | None |
Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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