| N05 | Unspecified nephritic syndrome | NON-BILLABLE CODE |
| N05.1 | Unspecified nephritic syndrome with focal and segmental glomerular lesions | BILLABLE CODE |
| N05.2 | Unspecified nephritic syndrome with diffuse membranous glomerulonephritis | BILLABLE CODE |
| N05.3 | Unspecified nephritic syndrome with diffuse mesangial proliferative glomerulonephritis | BILLABLE CODE |
| N05.4 | Unspecified nephritic syndrome with diffuse endocapillary proliferative glomerulonephritis | BILLABLE CODE |
| N05.5 | Unspecified nephritic syndrome with diffuse mesangiocapillary glomerulonephritis | BILLABLE CODE |
| N05.6 | Unspecified nephritic syndrome with dense deposit disease | BILLABLE CODE |
| N05.7 | Unspecified nephritic syndrome with diffuse crescentic glomerulonephritis | BILLABLE CODE |
| N05.8 | Unspecified nephritic syndrome with other morphologic changes | BILLABLE CODE |
| N05.9 | Unspecified nephritic syndrome with unspecified morphologic changes | BILLABLE CODE |
| N05.A | Unspecified nephritic syndrome with C3 glomerulonephritis | BILLABLE CODE |
