| ICD Code | Description |
|---|---|
| N10 | Acute pyelonephritis |
| N11 | Chronic tubulo-interstitial nephritis |
| N12 | Tubulo-interstitial nephritis, not specified as acute or chronic |
| N13 | Obstructive and reflux uropathy |
| N14 | Drug- and heavy-metal-induced tubulo-interstitial and tubular conditions |
| N15 | Other renal tubulo-interstitial diseases |
| N16 | Renal tubulo-interstitial disorders in diseases classified elsewhere |