| N15 | Other renal tubulo-interstitial diseases | NON-BILLABLE CODE |
| N15.1 | Renal and perinephric abscess | BILLABLE CODE |
| N15.8 | Other specified renal tubulo-interstitial diseases | BILLABLE CODE |
| N15.9 | Renal tubulo-interstitial disease, unspecified | BILLABLE CODE |
