N27.0 ICD-10-CA code: Small kidney, unilateral
N27.0 is the ICD-10-CA code for “Small kidney, unilateral” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
N27.0Small kidney, unilateral
Short description: Small kidney unilateral
ICD-10-CA · Canada · Also written N270
Index terms
Entries in CIHI’s alphabetical index that lead to N27.0. Searching the index by the condition the note names is how coders reach this code.
- Small(ness), kidney (unknown cause), unilateral
Notes for N27.0
As CIHI prints them, with any note N27.0 takes from the headings above it.
Excludes
Conditions classified elsewhere.
- With urolithiasis (N20-N23)From N25-N29 Other disorders of kidney and ureter
- Certain conditions originating in the perinatal period (P00-P96)certain infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)From Chapter 14: Diseases of the genitourinary system (N00-N99)
Where N27.0 sits
- 1ChapterChapter 14: Diseases of the genitourinary system (N00-N99)
- 2Block N25-N29Other disorders of kidney and ureter
- 3Category N27Small kidney of unknown cause
- 4Valid code N27.0Small kidney, unilateral
Source and release
- Data release
- ICD-10-CA · FY 2026–2027
- Effective date
- Apr 1, 2026
- Publisher
- CIHI
This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does ICD-10-CA code N27.0 mean?
N27.0 is the ICD-10-CA code for “Small kidney, unilateral” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is N27.0 in ICD-10-CA?
N27.0 sits under N27 Small kidney of unknown cause, within N25-N29 Other disorders of kidney and ureter, within Chapter 14: Diseases of the genitourinary system (N00-N99).
What coding notes apply to N27.0?
ICD-10-CA lists Excludes notes for N27.0, including those from the headings it sits under. They are listed on this page with where each one comes from.
Which ICD-10-CA release does this page use?
It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.