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N99.5

N99.5: Complications of stoma of urinary tract

Non-billable headerICD-10-CM

N99.5 is a non-billable header ICD-10-CM code for complications of stoma of urinary tract. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes2: not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

  • mechanical complication of urinary catheter (T83.0-)

Excludes2 inherited from the categories above N99.5

Not part of this code, but both may be coded when both are present.

Written on N99: Intraoperative and postprocedural complications and disorders of genitourinary system, not elsewhere classified

  • irradiation cystitis (N30.4-)
  • postoophorectomy osteoporosis with current pathological fracture (M80.8-)
  • postoophorectomy osteoporosis without current pathological fracture (M81.8)

Other codes that can never be billed with N99.5

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • Z43Encounter for attention to artificial openings
  • Z93Artificial opening status

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead N99.5

3 child codes. Green means billable.

Other codes under N99

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.