N28.9 ICD-10-CA code: Disorder of kidney and ureter, unspecified
N28.9 is the ICD-10-CA code for “Disorder of kidney and ureter, unspecified” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
N28.9Disorder of kidney and ureter, unspecified
Short description: Disorder of kidney and ureter NOS
ICD-10-CA · Canada · Also written N289
Index terms
Entries in CIHI’s alphabetical index that lead to N28.9. Searching the index by the condition the note names is how coders reach this code.
- Nephropathy
- Damage, renal
- Trouble, kidney
- Complaint, kidney
- Dysfunction, kidney
- Change(s) (of), renal
- Disorder (of), kidney
- Disease, diseased, ureter
- Disorder (of), ureter (in)
- Lesion (nontraumatic), kidney
- Complication, complications (from) (of), renal
- Disease, diseased, renal (functional) (pelvis)
- Disease, diseased, kidney (functional) (pelvis)
Notes for N28.9
As CIHI prints them, with any note N28.9 takes from the headings above it.
Includes
- Nephropathy NOSRenal disease NOS
Excludes
Conditions classified elsewhere.
- Nephropathy NOS and renal disease NOS with morphological lesion specified in .0-.8 in note at block heading (N00-N08)
- Hydroureter (N13.4)renal disease:• acute NOS (N00.9)• chronic NOS (N03.9)ureteric kinking and stricture:• with hydronephrosis (N13.1)• without hydronephrosis (N13.5)From N28 Other disorders of kidney and ureter, not elsewhere classified
- 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 N28.9 sits
- 1ChapterChapter 14: Diseases of the genitourinary system (N00-N99)
- 2Block N25-N29Other disorders of kidney and ureter
- 3Category N28Other disorders of kidney and ureter, not elsewhere classified
- 4Valid code N28.9Disorder of kidney and ureter, unspecified
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 N28.9 mean?
N28.9 is the ICD-10-CA code for “Disorder of kidney and ureter, unspecified” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is N28.9 in ICD-10-CA?
N28.9 sits under N28 Other disorders of kidney and ureter, not elsewhere classified, within N25-N29 Other disorders of kidney and ureter, within Chapter 14: Diseases of the genitourinary system (N00-N99).
What coding notes apply to N28.9?
ICD-10-CA lists Includes, Excludes notes for N28.9, 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.