N99.0 ICD-10-CA code: Postprocedural renal failure

N99.0 is the ICD-10-CA code for “Postprocedural renal failure” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

N99.0

Postprocedural renal failure

ICD-10-CA · Canada · Also written N990

Index terms

Entries in CIHI’s alphabetical index that lead to N99.0. Searching the index by the condition the note names is how coders reach this code.

  • Anuria, postprocedural
  • Oliguria, postprocedural
  • Failure, failed, renal, postprocedural
  • Failure, failed, kidney, postprocedural
  • Block, kidney, postcystoscopic or postprocedural
  • Insufficiency, insufficient, renal, postprocedural
  • Insufficiency, insufficient, kidney, postprocedural
  • Failure, failed, renal, postprocedural, with (in) diabetes mellitus
  • Failure, failed, kidney, postprocedural, with (in) diabetes mellitus
  • Insufficiency, insufficient, renal, postprocedural, with (in) diabetes mellitus
  • Insufficiency, insufficient, kidney, postprocedural, with (in) diabetes mellitus
  • Necrosis, necrotic (ischemic), tubular (acute) (anoxic) (renal) (toxic), postprocedural
  • Nephrosis, nephrotic (congenital) (Epstein's) (syndrome), tubular (acute), postprocedural
  • Nephrosis, nephrotic (congenital) (Epstein's) (syndrome), tubular (acute), postprocedural, in (due to) (with) diabetes mellitus

Notes for N99.0

As CIHI prints them, with any note N99.0 takes from the headings above it.

Use additional code

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

  • Use additional code from category (E10-E14) with fourth and fifth digits .28 to classify any associated diabetes mellitus.

Excludes

Conditions classified elsewhere.

  • Irradiation cystitis (N30.4)postoophorectomy osteoporosis (M81.1):• with pathological fracture (M80.1)states associated with artificial menopause (N95.3)From N99 Postprocedural disorders of genitourinary system, not elsewhere classified
  • 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 N99.0 sits

  1. 1ChapterChapter 14: Diseases of the genitourinary system (N00-N99)
  2. 2Block N99-N99Other disorders of the genitourinary system (N99)
  3. 3Category N99Postprocedural disorders of genitourinary system, not elsewhere classified
  4. 4Valid code N99.0Postprocedural renal 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 N99.0 mean?

N99.0 is the ICD-10-CA code for “Postprocedural renal failure” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is N99.0 in ICD-10-CA?

N99.0 sits under N99 Postprocedural disorders of genitourinary system, not elsewhere classified, within N99-N99 Other disorders of the genitourinary system (N99), within Chapter 14: Diseases of the genitourinary system (N00-N99).

What coding notes apply to N99.0?

ICD-10-CA lists Use additional code, Excludes notes for N99.0, 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.