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N99.5 ICD-10-CA subcategory: Malfunction of external stoma of urinary tract

N99.5 isn’t a code on its own. Choose one of the 3 codes beneath it, the one the documentation supports.

Official description

N99.5

Malfunction of external stoma of urinary tract

ICD-10-CA · Canada · Also written N995

Codes in N99.5

N99.5 isn’t a code on its own. Open the code that matches what the note documents.

N99.50Haemorrhage from external stoma of urinary tractN99.51Infection of external stoma of urinary tractN99.52Other malfunction of external stoma of urinary tract, NEC

Notes for N99.5

As CIHI prints them, with any note N99.5 takes from the headings above it.

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 N99.5 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. 4Subcategory N99.5Malfunction of external stoma of urinary tract

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.

See N99.5 in the CIHI source

Frequently asked questions

Is N99.5 a valid ICD-10-CA code?

No. N99.5 (Malfunction of external stoma of urinary tract) is a subcategory heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 3 codes; record the one the documentation supports.

Where is N99.5 in ICD-10-CA?

N99.5 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 N99.5?

ICD-10-CA lists Excludes notes for N99.5, 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.

Codes beside N99.5

N99.0Postprocedural renal failureN99.1Postprocedural urethral strictureN99.2Postoperative adhesions of vaginaN99.3Prolapse of vaginal vault after hysterectomyN99.4Postprocedural pelvic peritoneal adhesionsN99.8Other postprocedural disorders of genitourinary systemN99.9Postprocedural disorder of genitourinary system, unspecified