2027 ICD-10-CM Diagnosis Code N14Drug- and heavy-metal-induced tubulo-interstitial and tubular conditions

ICD-10-CM Codes›N00–N99›N10-N16›N14

ICD-10-CM N14
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

N14 is a non-billable ICD-10-CM category code for drug- and heavy-metal-induced tubulo-interstitial and tubular conditions, so it cannot be submitted on claims. Use a more specific code from this category instead, such as N14.0, N14.11, N14.19, and N14.2.

Code Identity

ICD-10-CM Code
N14
Billable Status
No — Non-Billable Category
Code Describes
Drug- and heavy-metal-induced tubulo-interstitial and tubular conditions
Short Description
Drug- & heavy-metal-induced tubulo-interstitial & tublr cond
Chapter
N10-N16
Renal tubulo-interstitial diseases

Code Classification

ChapterN00–N99Diseases of the genitourinary system
SectionN10-N16Renal tubulo-interstitial diseases
CategoryN14Drug- and heavy-metal-induced tubulo-interstitial and tubular conditions
This CodeN14Drug- and heavy-metal-induced tubulo-interstitial and tubular conditions

Specific Coding for Drug- & heavy-metal-induced tubulo-interstitial & tublr condOverview

Non-specific codes like N14 require more characters. Use one of these billable codes instead:

  • Use N14.0 for Analgesic nephropathy

  • N14.1 for Nephropathy induced by other drugs, medicaments and biological substances

  • Use N14.11 for Contrast-induced nephropathy

  • Use N14.19 for Nephropathy induced by other drugs, medicaments and biological substances

  • Use N14.2 for Nephropathy induced by unspecified drug, medicament or biological substance

  • Use N14.3 for Nephropathy induced by heavy metals

  • Use N14.4 for Toxic nephropathy, not elsewhere classified

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to N14: its own notes plus those printed at block N10-N16 and Chapter 14. A note printed at a category, block or chapter applies to every code under it.

Includes

Further defines, or gives examples of, the content of the category.

From Block N10-N16 Renal tubulo-interstitial diseases applies to 35 codes
  • pyelonephritis

Excludes1

Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.

From Block N10-N16 Renal tubulo-interstitial diseases applies to 35 codes
  • pyeloureteritis cystica (N28.85)

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Chapter 14 (N00-N99) Diseases of the genitourinary system applies to 838 codes
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Code First

The underlying condition named in the note is sequenced before this code.

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

Use Additional Code

Add a second code, after this one, to fully describe the condition.

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

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name N14, its category, or a range that includes it.

Excludes2 1

These codes carry an Excludes2 note naming N14: its condition is not part of those codes, and both may be reported when the patient has both.

  • Block N17-N19 Acute kidney failure and chronic kidney disease
    drug- and heavy-metal-induced tubulo-interstitial and tubular conditions (N14.-)

Patient EducationClinical

Drug Reactions

Most of the time, medicines make our lives better. They reduce aches and pains, fight infections, and control problems such as high blood pressure or diabetes. But medicines can also cause unwanted reactions, such as drug interactions, side effects, and allergies.

The full article covers:

  • What is a drug interaction?
  • What are side effects?
  • What are drug allergies?
  • How can I stay safe when taking medicines?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About N14Overview

Is N14 a billable code?

No. This is a category header that groups the codes for drug- and heavy-metal-induced tubulo-interstitial and tubular conditions, and headers cannot be submitted on claims. Claims for drug- and heavy-metal-induced tubulo-interstitial and tubular conditions need a more specific code from this category, such as N14.0, N14.11, and N14.19.

Can N14 be reported with N28.85?

Not as a rule. The Excludes1 note at block N10-N16, which applies to N14, lists "pyeloureteritis cystica (N28.85)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).

Does N14 need an additional code?

When the condition applies, yes. The Use Additional Code note reads: code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5). The additional code is reported after N14.