N99

Non-Billable
ChapterN00–N99
Rankcategory
Official Description

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

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 14: Diseases of the Genitourinary System (N00-N99).

CH14 Parent Instructions

Excludes2(Not included here)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Instructional Notes

Excludes2(Not included here)
  • irradiation cystitis (N30.4-)
  • postoophorectomy osteoporosis with current pathological fracture (M80.8-)
  • postoophorectomy osteoporosis without current pathological fracture (M81.8)

Clinical Hierarchy

CH14Diseases of the genitourinary system (N00-N99)
N99Intraoperative and postprocedural complications and disorders of genitourinary system, not elsewhere classified
N99.0Postprocedural (acute) (chronic) kidney failure
N99.1Postprocedural urethral stricture
N99.2Postprocedural adhesions of vagina
N99.3Prolapse of vaginal vault after hysterectomy
N99.4Postprocedural pelvic peritoneal adhesions
N99.5Complications of stoma of urinary tract
N99.6Intraoperative hemorrhage and hematoma of a genitourinary system organ or structure complicating a procedure
N99.7Accidental puncture and laceration of a genitourinary system organ or structure during a procedure
N99.8Other intraoperative and postprocedural complications and disorders of genitourinary system

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to N99:

chapterCH14
Diseases of the genitourinary system (N00-N99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to N99. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

25 raw paths
Adhesions, adhesive (postinfective)5 unique routes
pelvic (peritoneal)
female
postprocedural→N99
peritoneum, peritoneal (postinfective)
pelvic, female
postprocedural→N99
postoperative (gastrointestinal tract)(2 variants)
pelvic peritoneal→N99
vagina→N99
vagina (chronic)
postoperative→N99
Anastomosis1 unique routes
intestinal
complicated NEC
involving urinary tract→N99
Anuria1 unique routes
postprocedural→N99
Atrophy, atrophic (of)1 unique routes
uterus, uterine (senile)
due to radiation (intended effect)
adverse effect or misadventure→N99
Block, blocked1 unique routes
kidney
postcystoscopic or postprocedural→N99
Cicatrix (adherent) (contracted) (painful) (vicious)1 unique routes
vagina
postoperative→N99
Complication (s) (from) (of)15 unique routes
anastomosis (and bypass)(2 variants)
intestinal (internal) NEC
involving urinary tract→N99
urinary tract (involving intestinal tract)→N99
cystostomy (stoma)→N99(5 variants)
hemorrhage→N99
infection→N99
malfunction→N99
specified type NEC→N99
genitourinary(5 variants)
postprocedural(5 variants)
pelvic peritoneal adhesions→N99
renal failure→N99
specified NEC→N99
vaginal(2 variants)
adhesions→N99
vault prolapse→N99
intraoperative (intraprocedural)(3 variants)
hemorrhage (hematoma) (of)(2 variants)
genitourinary organ or structure(2 variants)
during procedure on genitourinary organ or structure→N99
during procedure on other organ→N99
puncture or laceration (accidental) (unintentional) (of)
genitourinary organ or structure
during procedure on genitourinary organ or structure→N99

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

Find Procedures (ICD-10-PCS)

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