| N28 | Other disorders of kidney and ureter, not elsewhere classified | NON-BILLABLE CODE |
| N28.0 | Ischemia and infarction of kidney | BILLABLE CODE |
| N28.8 | Other specified disorders of kidney and ureter | NON-BILLABLE CODE |
| N28.81 | Hypertrophy of kidney | BILLABLE CODE |
| N28.82 | Megaloureter | BILLABLE CODE |
| N28.83 | Nephroptosis | BILLABLE CODE |
| N28.84 | Pyelitis cystica | BILLABLE CODE |
| N28.85 | Pyeloureteritis cystica | BILLABLE CODE |
| N28.86 | Ureteritis cystica | BILLABLE CODE |
| N28.89 | Other specified disorders of kidney and ureter | BILLABLE CODE |
| N28.9 | Disorder of kidney and ureter, unspecified | BILLABLE CODE |
