2026 ICD-10-CM Diagnosis Code N99Intraoperative and postprocedural complications and disorders of genitourinary system, not elsewhere classified

ICD-10-CM Codes›N00–N99›N99›N99

ICD-10-CM N99
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

N99 is a non-billable ICD-10-CM category code for intraoperative and postprocedural complications and disorders of genitourinary system, not elsewhere classified, so it cannot be submitted on claims. Use a more specific code from this category instead, such as N99.0, N99.110, N99.111, and N99.112.

Code Identity

ICD-10-CM Code
N99
Billable Status
No — Non-Billable Category
Code Describes
Intraoperative and postprocedural complications and disorders of genitourinary system, not elsewhere classified
Chapter
N99
Intraoperative and postprocedural complications and disorders of genitourinary system, not elsewhere classified

Code Classification

ChapterN00–N99Diseases of the genitourinary system
SectionN99Intraoperative and postprocedural complications and disorders of genitourinary system, not elsewhere classified
CategoryN99Intraoperative and postprocedural complications and disorders of genitourinary system, not elsewhere classified
This CodeN99Intraoperative and postprocedural complications and disorders of genitourinary system, not elsewhere classified

Specific Coding for Intraop and postproc comp and disorders of GU sys, NECOverview

Non-specific codes like N99 require more characters. Use one of these billable codes instead:

  • Use N99.0 for Postprocedural (acute) (chronic) kidney failure

  • N99.1 for Postprocedural urethral stricture

  • N99.11 for Postprocedural urethral stricture, male

  • Use N99.12 for Postprocedural urethral stricture, female

  • Use N99.2 for Postprocedural adhesions of vagina

  • Use N99.3 for Prolapse of vaginal vault after hysterectomy

  • Use N99.4 for Postprocedural pelvic peritoneal adhesions

  • N99.5 for Complications of stoma of urinary tract

  • N99.51 for Complication of cystostomy

  • N99.52 for Complication of incontinent external stoma of urinary tract

  • N99.53 for Complication of continent stoma of urinary tract

  • N99.6 for Intraoperative hemorrhage and hematoma of a genitourinary system organ or structure complicating a procedure

  • Use N99.61 for Intraoperative hemorrhage and hematoma of a genitourinary system organ or structure complicating a genitourinary system procedure

  • Use N99.62 for Intraoperative hemorrhage and hematoma of a genitourinary system organ or structure complicating other procedure

  • N99.7 for Accidental puncture and laceration of a genitourinary system organ or structure during a procedure

  • Use N99.71 for Accidental puncture and laceration of a genitourinary system organ or structure during a genitourinary system procedure

  • Use N99.72 for Accidental puncture and laceration of a genitourinary system organ or structure during other procedure

  • N99.8 for Other intraoperative and postprocedural complications and disorders of genitourinary system

  • Use N99.81 for Other intraoperative complications of genitourinary system

  • N99.82 for Postprocedural hemorrhage of a genitourinary system organ or structure following a procedure

  • Use N99.83 for Residual ovary syndrome

  • N99.84 for Postprocedural hematoma and seroma of a genitourinary system organ or structure following a procedure

  • Use N99.85 for Post endometrial ablation syndrome

  • Use N99.89 for Other postprocedural complications and disorders of genitourinary system

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Type 2 Excludes

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

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About N99Overview

Is N99 a billable code?

No. This is a category header that groups the codes for intraoperative and postprocedural complications and disorders of genitourinary system, not elsewhere classified, and headers cannot be submitted on claims. Claims for intraoperative and postprocedural complications and disorders of genitourinary system, not elsewhere classified need a more specific code from this category, such as N99.0, N99.110, and N99.111.