DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

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

  • Header · not billable

N99 is not billable. The category heads 44 billable codes in FY2027, grouped under 9 subdivisions.

FY2027 changes under N99: 2 billable codes added. All FY2027 changes.

Index → code

  • Anuriapostprocedural → N99.0
  • Oliguriapostprocedural → N99.0
  • Residualovary syndrome → N99.83

Where it sits

  1. Chapter 14 Diseases of the genitourinary system (N00-N99)
  2. N99 Intraoperative and postprocedural complications and disorders of genitourinary system, not elsewhere classified (N99)
  3. N99 Intraoperative and postprocedural complications and disorders of genitourinary system, not elsewhere classified
Billable codes
44
Subdivisions
9
CC / MCC codes
14 / 0
HCC V28 codes
0
New FY2027
2
Index entries
86

Codes in N99

  1. N99.0
    Postprocedural (acute) (chronic) kidney failure
    Billable
    Use additional code 1

    Use additional code

    • code to type of kidney disease
  2. N99.1
    Postprocedural urethral stricture
    Header
    Inclusion terms 1

    Inclusion terms

    • Postcatheterization urethral stricture
  3. N99.11
    Postprocedural urethral stricture, male
    Header
  4. N99.110
    Postprocedural urethral stricture, male, meatal
    Billable
  5. N99.111
    Postprocedural bulbous urethral stricture, male
    Billable
  6. N99.112
    Postprocedural membranous urethral stricture, male
    Billable
  7. N99.113
    Postprocedural anterior bulbous urethral stricture, male
    Billable
  8. N99.114
    Postprocedural urethral stricture, male, unspecified
    Billable
  9. N99.115
    Postprocedural fossa navicularis urethral stricture
    Billable
  10. N99.116
    Postprocedural urethral stricture, male, overlapping sites
    Billable
  11. N99.12
    Postprocedural urethral stricture, female
    Billable
  12. N99.2
    Postprocedural adhesions of vagina
    Billable
  13. N99.3
    Prolapse of vaginal vault after hysterectomy
    Billable
  14. N99.4
    Postprocedural pelvic peritoneal adhesions
    Billable
    Excludes2 2

    Excludes2

    • pelvic peritoneal adhesions NOS (N73.6) N73.6
    • postinfective pelvic peritoneal adhesions (N73.6) N73.6
  15. N99.5
    Complications of stoma of urinary tract
    Header
    Excludes2 1

    Excludes2

    • mechanical complication of urinary catheter (T83.0-) T83.0
  16. N99.51
    Complication of cystostomy
    Header
  17. N99.510
    Cystostomy hemorrhage
    BillableCC
  18. N99.511
    Cystostomy infection
    BillableCC
  19. N99.512
    Cystostomy malfunction
    BillableCC
  20. N99.518
    Other cystostomy complication
    BillableCC
  21. N99.52
    Complication of incontinent external stoma of urinary tract
    Header
  22. N99.520
    Hemorrhage of incontinent external stoma of urinary tract
    Billable
  23. N99.521
    Infection of incontinent external stoma of urinary tract
    Billable
  24. N99.522
    Malfunction of incontinent external stoma of urinary tract
    Billable
  25. N99.523
    Herniation of incontinent stoma of urinary tract
    Billable
  26. N99.524
    Stenosis of incontinent stoma of urinary tract
    Billable
  27. N99.528
    Other complication of incontinent external stoma of urinary tract
    Billable
  28. N99.53
    Complication of continent stoma of urinary tract
    Header
  29. N99.530
    Hemorrhage of continent stoma of urinary tract
    Billable
  30. N99.531
    Infection of continent stoma of urinary tract
    Billable
  31. N99.532
    Malfunction of continent stoma of urinary tract
    Billable
  32. N99.533
    Herniation of continent stoma of urinary tract
    Billable
  33. N99.534
    Stenosis of continent stoma of urinary tract
    Billable
  34. N99.538
    Other complication of continent stoma of urinary tract
    Billable
  35. N99.6
    Intraoperative hemorrhage and hematoma of a genitourinary system organ or structure complicating a procedure
    Header
    Excludes1 1

    Excludes1

    • intraoperative hemorrhage and hematoma of a genitourinary system organ or structure due to accidental puncture or laceration during a procedure (N99.7-) N99.7
  36. N99.61
    Intraoperative hemorrhage and hematoma of a genitourinary system organ or structure complicating a genitourinary system procedure
    BillableCC
  37. N99.62
    Intraoperative hemorrhage and hematoma of a genitourinary system organ or structure complicating other procedure
    BillableCC
  38. N99.7
    Accidental puncture and laceration of a genitourinary system organ or structure during a procedure
    Header
  39. N99.71
    Accidental puncture and laceration of a genitourinary system organ or structure during a genitourinary system procedure
    BillableCC
  40. N99.72
    Accidental puncture and laceration of a genitourinary system organ or structure during other procedure
    BillableCC
  41. N99.8
    Other intraoperative and postprocedural complications and disorders of genitourinary system
    Header
  42. N99.81
    Other intraoperative complications of genitourinary system
    Billable
  43. N99.82
    Postprocedural hemorrhage of a genitourinary system organ or structure following a procedure
    Header
  44. N99.820
    Postprocedural hemorrhage of a genitourinary system organ or structure following a genitourinary system procedure
    BillableCC
  45. N99.821
    Postprocedural hemorrhage of a genitourinary system organ or structure following other procedure
    BillableCC
  46. N99.83
    Residual ovary syndrome
    Billable
  47. N99.84
    Postprocedural hematoma and seroma of a genitourinary system organ or structure following a procedure
    Header
  48. N99.840
    Postprocedural hematoma of a genitourinary system organ or structure following a genitourinary system procedure
    BillableCC
  49. N99.841
    Postprocedural hematoma of a genitourinary system organ or structure following other procedure
    BillableCC
  50. N99.842
    Postprocedural seroma of a genitourinary system organ or structure following a genitourinary system procedure
    BillableCC
  51. N99.843
    Postprocedural seroma of a genitourinary system organ or structure following other procedure
    BillableCC
  52. N99.85
    Post endometrial ablation syndrome
    Billable
  53. N99.86
    Intraoperative and postprocedural complications and disorders of breast New FY2027
    Header
  54. N99.860
    Intraoperative and postprocedural nipple ischemia New FY2027
    Billable
  55. N99.861
    Intraoperative and postprocedural nipple necrosis New FY2027
    Billable
  56. N99.89
    Other postprocedural complications and disorders of genitourinary system
    Billable

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

At N99

Excludes2

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

Notes that also apply

Chapter 14 instructions (Excludes2 8): printed on the chapter 14 page.

Index entries

  • Anuriapostprocedural → N99.0
  • Oliguriapostprocedural → N99.0
  • Inversionvagina (posthysterectomy) → N99.3
  • Malfunctioncystostomy (stoma) → N99.512
  • Complication(s) (from) (of)cystostomy (stoma) → N99.518
  • Residualovary syndrome → N99.83
  • Retentionovary syndrome → N99.83
  • Syndromeresidual ovary → N99.83
  • Syndromepost endometrial ablation → N99.85
  • Ischemia, ischemicnipple, intraoperative and postprocedural → N99.860
  • Necrosis, necrotic (ischemic)nipple, intraoperative and postprocedural → N99.861
  • Complication(s) (from) (of)pyelogram → N99.89
  • Failure, failedtubal ligation → N99.89
  • Failure, failedvasectomy → N99.89
  • Block, blockedkidneypostcystoscopic or postprocedural → N99.0
  • Failure, failedrenalpostprocedural → N99.0
  • Necrosis, necrotic (ischemic)tubular (acute) (anoxic) (renal) (toxic)postprocedural → N99.0
  • Nephrosis, nephrotic (Epstein's) (syndrome) (congenital)tubular (acute)postprocedural → N99.0
  • Adhesions, adhesive (postinfective)postoperative (gastrointestinal tract)vagina → N99.2
  • Adhesions, adhesive (postinfective)vagina (chronic)postoperative → N99.2
  • Cicatrix (adherent) (contracted) (painful) (vicious)vaginapostoperative → N99.2
  • Scar, scarringvaginapostoperative → N99.2
  • Complication(s) (from) (of)surgical procedure (on)vaginal vault prolapse (posthysterectomy) → N99.3
  • Prolapse, prolapsedvagina (anterior) (wall)posthysterectomy → N99.3
  • Adhesions, adhesive (postinfective)postoperative (gastrointestinal tract)pelvic peritoneal → N99.4
  • Complication(s) (from) (of)cystostomy (stoma)hemorrhage → N99.510
  • Complication(s) (from) (of)cystostomy (stoma)infection → N99.511
  • Complication(s) (from) (of)cystostomy (stoma)malfunction → N99.512
  • Complication(s) (from) (of)cystostomy (stoma)specified type NEC → N99.518
  • Complication(s) (from) (of)stomaurinary tract → N99.528
  • Complication(s) (from) (of)anastomosis (and bypass)urinary tract (involving intestinal tract) → N99.89
  • Complication(s) (from) (of)surgical procedure (on)genitourinary NEC → N99.89
  • Complication(s) (from) (of)surgical procedure (on)urinary NEC → N99.89
  • Complication(s) (from) (of)genitourinarypostproceduralrenal failure → N99.0
  • Strictureurethra (organic) (spasmodic)postproceduralmale → N99.114
  • Strictureurethra (organic) (spasmodic)postproceduralfemale → N99.12
  • Adhesions, adhesive (postinfective)pelvic (peritoneal)femalepostprocedural → N99.4
  • Adhesions, adhesive (postinfective)peritoneum, peritoneal (postinfective)pelvic, femalepostprocedural → N99.4
  • Complication(s) (from) (of)genitourinarypostproceduralpelvic peritoneal adhesions → N99.4
  • Complication(s) (from) (of)stomaurinary tracthemorrhage → N99.520

46 more, longer entries are not listed; the search box finds them by word.

NCHS Alphabetic Index. Index first, then the Tabular List.