| N00A | Acute nephritic syndrome with C3 glomerulonephritis |
| N01 | Rapidly progressive nephritic syndrome |
| N010 | Rapidly progressive nephritic syndrome with minor glomerular abnormality |
| N011 | Rapidly progressive nephritic syndrome with focal and segmental glomerular lesions |
| N012 | Rapidly progressive nephritic syndrome with diffuse membranous glomerulonephritis |
| N013 | Rapidly progr neph synd w diffus mesangial prolif glomrlneph Rapidly progressive nephritic syndrome with diffuse mesangial proliferative glomerulonephritis |
| N014 | Rapidly progressive nephritic syndrome with diffuse endocapillary proliferative glomerulonephritis |
| N015 | Rapidly progr neph syndrome w diffuse mesangiocap glomrlneph Rapidly progressive nephritic syndrome with diffuse mesangiocapillary glomerulonephritis |
| N016 | Rapidly progressive nephritic syndrome with dense deposit disease |
| N017 | Rapidly progressive nephritic syndrome with diffuse crescentic glomerulonephritis |
| N018 | Rapidly progressive nephritic syndrome with other morphologic changes |
| N019 | Rapidly progressive nephritic syndrome with unspecified morphologic changes |
| N01A | Rapidly progressive nephritic syndrome with C3 glomerulonephritis |
| N02 | Recurrent and persistent hematuria |
| N020 | Recurrent and persistent hematuria with minor glomerular abnormality |
| N021 | Recurrent and persistent hematuria with focal and segmental glomerular lesions |
| N022 | Recurrent and persistent hematuria with diffuse membranous glomerulonephritis |
| N023 | Recur and perst hematur w diffus mesangial prolif glomrlneph Recurrent and persistent hematuria with diffuse mesangial proliferative glomerulonephritis |
| N024 | Recurrent and persistent hematuria with diffuse endocapillary proliferative glomerulonephritis |
| N025 | Recurrent and perst hematur w diffuse mesangiocap glomrlneph Recurrent and persistent hematuria with diffuse mesangiocapillary glomerulonephritis |
| N026 | Recurrent and persistent hematuria with dense deposit disease |
| N027 | Recurrent and persistent hematuria with diffuse crescentic glomerulonephritis |
| N028 | Recurrent and persistent hematuria w oth morphologic changes Recurrent and persistent hematuria with other morphologic changes |
| N029 | Recurrent and persistent hematuria with unspecified morphologic changes |
| N02A | Recurrent and persistent hematuria with C3 glomerulonephritis |
| N02B | Recurrent and persistent immunoglobulin A nephropathy |
| N02B1 | Recurrent and persistent immunoglobulin A nephropathy with glomerular lesion |
| N02B2 | Recur and perst IgA nephr with focal and seg glomerular lesn Recurrent and persistent immunoglobulin A nephropathy with focal and segmental glomerular lesion |
| N02B3 | Recurrent and persistent immunoglobulin A nephropathy with diffuse membranoproliferative glomerulonephritis |
| N02B4 | Recurrent and persistent immunoglobulin A nephropathy with diffuse membranous glomerulonephritis |
| N02B5 | Recur & perst IgA nephr w diffus mesangial prolif glomrlneph Recurrent and persistent immunoglobulin A nephropathy with diffuse mesangial proliferative glomerulonephritis |
| N02B6 | Recur and perst IgA nephr with diffus mesangiocap glomrlneph Recurrent and persistent immunoglobulin A nephropathy with diffuse mesangiocapillary glomerulonephritis |
| N02B9 | Other recurrent and persistent immunoglobulin A nephropathy |
| N03 | Chronic nephritic syndrome |
| N030 | Chronic nephritic syndrome with minor glomerular abnormality Chronic nephritic syndrome with minor glomerular abnormality |
| N031 | Chronic nephritic syndrome with focal and segmental glomerular lesions |
| N032 | Chronic nephritic syndrome with diffuse membranous glomerulonephritis |
| N033 | Chronic nephritic syndrome with diffuse mesangial proliferative glomerulonephritis |
| N034 | Chronic neph syndrome w diffuse endocaplry prolif glomrlneph Chronic nephritic syndrome with diffuse endocapillary proliferative glomerulonephritis |
| N035 | Chronic nephritic syndrome with diffuse mesangiocapillary glomerulonephritis |
| N036 | Chronic nephritic syndrome with dense deposit disease |
| N037 | Chronic nephritic syndrome with diffuse crescentic glomerulonephritis |
| N038 | Chronic nephritic syndrome with other morphologic changes |
| N039 | Chronic nephritic syndrome with unspecified morphologic changes |
| N03A | Chronic nephritic syndrome with C3 glomerulonephritis |
| N04 | Nephrotic syndrome |
| N040 | Nephrotic syndrome with minor glomerular abnormality |
| N041 | Nephrotic syndrome with focal and segmental glomerular lesions |
| N042 | Nephrotic syndrome with diffuse membranous glomerulonephritis |
| N0420 | Nephrotic syndrome with diffuse membranous glomerulonephritis, unspecified |