N14: Drug- and heavy-metal-induced tubulo-interstitial and tubular conditions
Codes under N14 (Drug- and heavy-metal-induced tubulo-interstitial and tubular conditions). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| N14.0 | Analgesic nephropathy | ✓ |
| N14.0 | Analgesic nephropathy | ✓ |
| N14.1 | Nephropathy induced by other drugs, medicaments and biological substances | — |
| N14.1 | Nephropathy induced by other drugs, medicaments and biological substances | — |
| N14.2 | Nephropathy induced by unspecified drug, medicament or biological substance | ✓ |
| N14.2 | Nephropathy induced by unspecified drug, medicament or biological substance | ✓ |
| N14.3 | Nephropathy induced by heavy metals | ✓ |
| N14.3 | Nephropathy induced by heavy metals | ✓ |
| N14.4 | Toxic nephropathy, not elsewhere classified | ✓ |
| N14.4 | Toxic nephropathy, not elsewhere classified | ✓ |
| N14.11 | Contrast-induced nephropathy | ✓ |
| N14.11 | Contrast-induced nephropathy | ✓ |
| N14.19 | Nephropathy induced by other drugs, medicaments and biological substances | ✓ |
| N14.19 | Nephropathy induced by other drugs, medicaments and biological substances | ✓ |
Frequently asked questions
What is ICD-10-CM code N14?
N14 is an ICD-10-CM category covering Drug- and heavy-metal-induced tubulo-interstitial and tubular conditions. It contains 14 more specific diagnosis codes, 12 of which are billable.
Is N14 a billable code?
No — N14 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example N14.0 — Analgesic nephropathy). 12 of the 14 codes under N14 are billable.
What codes fall under N14?
N14 includes N14.0, N14.0, N14.1, N14.1, N14.2, plus 9 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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