N99.51Header code — not billable
Complication of cystostomy
- Chapter
- 14. Diseases of the genitourinary system
- Category
- N99
- Effective date
- October 1, 2026
Related codes in category N99
N99Intraop and postproc comp and disorders of GU sys, NECN99.0Postprocedural (acute) (chronic) kidney failureYesN99.1Postprocedural urethral strictureN99.11Postprocedural urethral stricture, maleN99.110Postprocedural urethral stricture, male, meatalYesN99.111Postprocedural bulbous urethral stricture, maleYesN99.112Postprocedural membranous urethral stricture, maleYesN99.113Postprocedural anterior bulbous urethral stricture, maleYesN99.114Postprocedural urethral stricture, male, unspecifiedYesN99.115Postprocedural fossa navicularis urethral strictureYesN99.116Postprocedural urethral stricture, male, overlapping sitesYesN99.12Postprocedural urethral stricture, femaleYes
Frequently asked questions
What is ICD-10 code N99.51?
N99.51 is an ICD-10-CM diagnosis code for Complication of cystostomy.
Is N99.51 a billable code?
No. N99.51 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is N99.51 in?
N99.51 falls under Chapter 14: Diseases of the genitourinary system.
When did N99.51 become effective?
N99.51 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to N99.51?
N99.51 belongs to category N99, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.