All ICD10 Codes

N15.9

Billable
ChapterN00–N99
Ranksubcategory
Official Description

Renal tubulo-interstitial disease, unspecified

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 14: Diseases of the Genitourinary System (N00-N99).

Instructional Notes

Includes
  • Infection of kidney NOS
Excludes1(Not coded here)
  • urinary tract infection NOS (N39.0)
General instructions are available for the parent sections:
View CH14 NotesView N10-N16 Notes

Clinical Hierarchy

CH14Diseases of the genitourinary system (N00-N99)
N10-N16Renal tubulo-interstitial diseases (N10-N16)
N15Other renal tubulo-interstitial diseases
N15.9Renal tubulo-interstitial disease, unspecified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to N15.9:

blockN10-N16
Renal tubulo-interstitial diseases (N10-N16)
View context instructions
chapterCH14
Diseases of the genitourinary system (N00-N99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to N15.9. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

2 raw paths
Disease, diseased1 unique routes
tubulo-interstitial→N15.9
Infection, infected, infective (opportunistic)1 unique routes
kidney (cortex) (hematogenous)→N15.9

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 698
Other Kidney and Urinary Tract Diagnoses with MCC
DRG 699
Other Kidney and Urinary Tract Diagnoses with CC
DRG 700
Other Kidney and Urinary Tract Diagnoses without CC/MCC

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Renal tubulo-interstitial disease, unspecified.

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