N27 ICD-10-CM Code: Small kidney of unknown cause
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
N27Small kidney of unknown cause
ICD-10-CM diagnosis code · United States clinical modification
Where N27 sits
- 1
Chapter 14
Diseases of the genitourinary system (N00-N99)
- 2
Section
Other disorders of kidney and ureter (N25-N29)
- 3
Category N27
Small kidney of unknown cause
- 4
Code N27
Small kidney of unknown cause
Codes under N27
N27 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 N27.
Code first
No “code first” instruction is listed for N27.
Use additional code
No “use additional code” instruction is listed for N27.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for N27.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for N27.
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 N27 mean?
N27 is the FY 2027 U.S. ICD-10-CM code for “Small kidney of unknown cause.”
Is N27 a billable or specific ICD-10-CM code?
No. N27 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 N27 located in ICD-10-CM?
N27 is listed in Chapter 14, Diseases of the genitourinary system (N00-N99), within Other disorders of kidney and ureter (N25-N29) (N25–N29), under category N27, Small kidney of unknown cause.
What coding notes are listed for N27?
No inclusion terms are listed for N27 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.