ICD-10/N14.1

N14.1 ICD 2026 Code: Nephropathy induced by other drugs, medicaments and biological substances

N14.1 is the authoritative medical code for Nephropathy induced by other drugs, medicaments and biological substances. This classification is used in medical billing and clinical recording to specify the clinical criteria for nephropathy induced by other drugs, medicaments and biological substances (ICD-10-CM N14.1), ensuring healthcare documentation aligns with 2026 federal coding standards.

Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.

Official Registry Overview & Definition

Nephropathy induced by other drugs, medicaments and biological substances is a non-billable ICD-10-CM category code N14.1. A more specific billable subcode must be selected for claims submission. Includes: pyelonephritis. Excludes1 (not coded here): pyeloureteritis cystica N28.85. 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).

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for N14.1 in the official ICD-10-CM tabular list.

Includes

Conditions the official ICD-10-CM tabular list includes under this code.

  • pyelonephritis

Excludes1 — Not Coded Here

Conditions that can never be reported with this code; the two are mutually exclusive.

  • pyeloureteritis cystica N28.85

Code First

Underlying conditions that must be sequenced before this code.

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

Use Additional Code

Supplementary codes the tabular list directs you to add.

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

Frequently Asked Questions (FAQ) & Clinical Guidance

Can N14.1 be billed directly?

No. N14.1 (Nephropathy induced by other drugs, medicaments and biological substances) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

What can't be coded together with N14.1?

Per Excludes1 instructions, N14.1 must not be reported with: pyeloureteritis cystica (N28.85).

Does N14.1 need to be sequenced after another code?

Yes. Code first: poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4).

Is an additional code needed with N14.1?

Use additional code(s) to specify: code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5).

Codes in This Family (2)

Official ICD-10-CM classifications in the same code family as N14.1, with their registry titles.

  • N14.11 — Contrast-induced nephropathy
  • N14.19 — Nephropathy induced by other drugs, medicaments and biological substances

Related Codes & Numerical Sequence (Crawl Map)

Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:

ICD Code N11.1 Chronic obstructive pyelonephritis
ICD Code N13.1 Hydronephrosis with ureteral stricture, not elsewhere classified
ICD Code N15.1 Renal and perinephric abscess
ICD Code N17.1 Acute kidney failure with acute cortical necrosis
ICD Code N18.1 Chronic kidney disease, stage 1
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