N11 ICD-10-CM Code: Chronic tubulo-interstitial nephritis
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
N11Chronic tubulo-interstitial nephritis
ICD-10-CM diagnosis code · United States clinical modification
Where N11 sits
- 1
Chapter 14
Diseases of the genitourinary system (N00-N99)
- 2
Section
Renal tubulo-interstitial diseases (N10-N16)
- 3
Category N11
Chronic tubulo-interstitial nephritis
- 4
Code N11
Chronic tubulo-interstitial nephritis
Codes under N11
N11 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Notes for this code
Inclusion terms
No inclusion terms are listed for N11.
Code first
No “code first” instruction is listed for N11.
Use additional code
- code (B95-B97), to identify infectious agent.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for N11.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for N11.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code N11 mean?
N11 is the FY 2027 U.S. ICD-10-CM code for “Chronic tubulo-interstitial nephritis.”
Is N11 a billable or specific ICD-10-CM code?
No. N11 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is N11 located in ICD-10-CM?
N11 is listed in Chapter 14, Diseases of the genitourinary system (N00-N99), within Renal tubulo-interstitial diseases (N10-N16) (N10–N16), under category N11, Chronic tubulo-interstitial nephritis.
What coding notes are listed for N11?
No inclusion terms are listed for N11 in this reference record. No code-first instruction is listed. Additional-code instructions: code (B95-B97), to identify infectious agent.. No Excludes1 note is listed. No Excludes2 note is listed.