ICD-10-CM Current in FY 2027

N27

Small kidney of unknown cause

Release: FY 2027
Effective: October 1, 2026

Official source

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files.

Includes

oligonephronia

More Specific Codes

3 codes under N27

Version History

How N27 appears in each release imported from the official files, newest first.

FY 2027 Effective October 1, 2026
Current

Small kidney of unknown cause
FY 2026 Effective October 1, 2025
Unchanged

Small kidney of unknown cause

Codes whose official notes reference N27

N26 Unspecified contracted kidney

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release: FY 2027
Effective: October 1, 2026
Source file: icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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