N14.4 Toxic nephropathy, not elsewhere classified

Billable ICD-10-CM code, FY2026.

Applies from N14 Drug- and heavy-metal-induced tubulo-interstitial and tubular conditions

Code first

• poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4)

Use additional code

• code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

MS-DRG index

Defines the logic of DRG(s) 698-700 in MDC 11.

Approximate ICD-9-CM (GEMs)

• 583.89 Nephritis and nephropathy, not specified as acute or chronic, with other specified pathological lesion in kidney (approximate)

Diagnosis Index entries for N14.4

• Nephropathy › toxic NEC

Nearby codes

• N14.1 Nephropathy induced by other drugs, medicaments and biological substances
• N14.11 Contrast-induced nephropathy
• N14.19 Nephropathy induced by other drugs, medicaments and biological substances
• N14.2 Nephropathy induced by unspecified drug, medicament or biological substance
• N14.3 Nephropathy induced by heavy metals
• N14.4 Toxic nephropathy, not elsewhere classified (this code)