N19 ICD-10-CA code: Unspecified kidney failure

N19 is the ICD-10-CA code for “Unspecified kidney failure” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

N19

Unspecified kidney failure

ICD-10-CA · Canada

Index terms

Entries in CIHI’s alphabetical index that lead to N19. Searching the index by the condition the note names is how coders reach this code.

  • Coma, uremic
  • Block, kidney
  • Fever, uremic
  • Shutdown, renal
  • Toxemia, kidney
  • Toxemia, uremic
  • Toxemia, urinary
  • Urea, blood, high
  • Suppression, kidney
  • Inefficiency, kidney
  • Low, function, kidney
  • Uremia, uremic (coma)
  • Failure, failed, renal
  • Nonfunctioning, kidney
  • Failure, failed, kidney
  • Insufficiency, insufficient, renal
  • Insufficiency, insufficient, kidney
  • Impaired, impairment (function), kidney
  • Dyspnea (nocturnal) (paroxysmal), uremic
  • Blindness (acquired) (binocular) (both eyes) (congenital), uremic
  • Aphasia (amnestic) (global) (nominal) (semantic) (syntactic), uremic
  • Delirium, delirious (acute or subacute) (not alcohol or drug induced), uremic

Notes for N19

As CIHI prints them, with any note N19 takes from the headings above it.

Includes

  • Renal insufficiency NOSUraemia NOS

Use additional code

Add a code for this detail when the note documents it.

  • Use additional codes to identify any associated hypertensive renal disease (I12) or hypertensive heart and renal disease (I13)
  • Use additional external cause code (Chapter XX) to identify external agent.From N17-N19 Renal failure

Excludes

Conditions classified elsewhere.

  • Uraemia of newborn (P96.0)
  • Congenital renal failure (P96.0)drug- and heavy-metal-induced tubulo-interstitial and tubular conditions (N14.-)extrarenal uraemia (R39.2)haemolytic-uraemic syndrome (D59.3)hepatorenal syndrome (K76.7):• postpartum (O90.4)prerenal uraemia (R39.2)renal failure:• complicating abortion or ectopic or molar pregnancy (O00-O07)(O08.4)• following labour and delivery (O90.4-)• postprocedural (N99.0)From N17-N19 Renal failure
  • 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 N19 sits

  1. 1ChapterChapter 14: Diseases of the genitourinary system (N00-N99)
  2. 2Block N17-N19Renal failure
  3. 3Valid code N19Unspecified kidney failure

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 N19 mean?

N19 is the ICD-10-CA code for “Unspecified kidney failure” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is N19 in ICD-10-CA?

N19 sits under N17-N19 Renal failure, within Chapter 14: Diseases of the genitourinary system (N00-N99).

What coding notes apply to N19?

ICD-10-CA lists Includes, Use additional code, Excludes notes for N19, 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.