| N14 | Drug- and heavy-metal-induced tubulo-interstitial and tubular conditions | NON-BILLABLE CODE |
| N14.1 | Nephropathy induced by other drugs, medicaments and biological substances | NON-BILLABLE CODE |
| N14.11 | Contrast-induced nephropathy | BILLABLE CODE |
| N14.19 | Nephropathy induced by other drugs, medicaments and biological substances | BILLABLE CODE |
| N14.2 | Nephropathy induced by unspecified drug, medicament or biological substance | BILLABLE CODE |
| N14.3 | Nephropathy induced by heavy metals | BILLABLE CODE |
| N14.4 | Toxic nephropathy, not elsewhere classified | BILLABLE CODE |
