N99.52 ICD-10-CA code: Other malfunction of external stoma of urinary tract, NEC
N99.52 is the ICD-10-CA code for “Other malfunction of external stoma of urinary tract, NEC” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
N99.52Other malfunction of external stoma of urinary tract, NEC
Short description: Oth malf of extl stoma of urin tract NEC
ICD-10-CA · Canada · Also written N9952
Index terms
Entries in CIHI’s alphabetical index that lead to N99.52. Searching the index by the condition the note names is how coders reach this code.
- Dysfunction, nephrostomy
- Malfunction, nephrostomy
- Dysfunction, cystostomy (stoma)
- Malfunction, cystostomy (stoma)
- Dysfunction, ureterostomy (stoma)
- Dysfunction, urethrostomy (stoma)
- Leak, leakage, peristomal, from (of), cystostomy
- Leak, leakage, peristomal, from (of), nephrostomy
- Complication, complications (from) (of), cystostomy (stoma)
- Complication, complications (from) (of), nephrostomy (stoma)
- Complication, complications (from) (of), cystostomy (stoma), mechanical
- Complication, complications (from) (of), cystostomy (stoma), malfunction
- Complication, complications (from) (of), nephrostomy (stoma), mechanical
- Complication, complications (from) (of), nephrostomy (stoma), malfunction
Notes for N99.52
As CIHI prints them, with any note N99.52 takes from the headings above it.
Includes
- Malfunction of external stoma of urinary tract, NOS
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 N99.52 sits
- 1ChapterChapter 14: Diseases of the genitourinary system (N00-N99)
- 2Block N99-N99Other disorders of the genitourinary system (N99)
- 3Category N99Postprocedural disorders of genitourinary system, not elsewhere classified
- 4Subcategory N99.5Malfunction of external stoma of urinary tract
- 5Valid code N99.52Other malfunction of external stoma of urinary tract, NEC
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 N99.52 mean?
N99.52 is the ICD-10-CA code for “Other malfunction of external stoma of urinary tract, NEC” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is N99.52 in ICD-10-CA?
N99.52 sits under N99.5 Malfunction of external stoma of urinary tract, within 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 N99.52?
ICD-10-CA lists Includes, Excludes notes for N99.52, 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.