Alphabetic Index FY2027

N99

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

FY2027Chapter 14: Diseases of the genitourinary system/N99 Intraoperative and postprocedural complications and disorders of genitourinary system, not elsewhere classified

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

N99 is a non-billable ICD-10-CM code category for intraoperative and postprocedural complications and disorders of genitourinary system, not elsewhere classified. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are N99.0 Postprocedural (acute) (chronic) kidney failure, N99.1 Postprocedural urethral stricture, N99.2 Postprocedural adhesions of vagina, N99.3 Prolapse of vaginal vault after hysterectomy and 5 more. Its coding notes include 11 Excludes2 entries.

Guidelines tip

From the FY2027 Official Guidelines. ICD10Ref adds no rules of its own.

Intraoperative and postprocedural complications are coded from the body system chapters unless the complication is specifically indexed to a T code.

Guidelines I.C.19.g.5Postprocedural complications in the body system chaptersRead the official text

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

This code
  • irradiation cystitis (N30.4-)
  • postoophorectomy osteoporosis with current pathological fracture (M80.8-)
  • postoophorectomy osteoporosis without current pathological fracture (M81.8)
Also from chapter/block level (8 notes)
Inherited from Chapter 14 Diseases of the genitourinary system
  • 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)

More specific codes under N99 9