N99
ICD-10Non-billable categoryIntraop and postproc comp and disorders of GU sys, NEC
Official ICD-10-CM descriptor (FY2026)
Intraoperative and postprocedural complications and disorders of genitourinary system, not elsewhere classified
N99 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Excludes2
Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.
- irradiation cystitis (N30.4-)
- postoophorectomy osteoporosis with current pathological fracture (M80.8-)
- postoophorectomy osteoporosis without current pathological fracture (M81.8)
More specific codes under N99
- N99.0Postprocedural (acute) (chronic) kidney failure
- N99.1Postprocedural urethral stricturecategory
- N99.2Postprocedural adhesions of vagina
- N99.3Prolapse of vaginal vault after hysterectomy
- N99.4Postprocedural pelvic peritoneal adhesions
- N99.5Complications of stoma of urinary tractcategory
- N99.6Intraop hemor/hemtom of a GU sys org comp a procedurecategory
- N99.7Accidental pnctr & lac of a GU sys org dur proccategory
- N99.8Oth intraop and postproc comp and disorders of GU syscategory
Where this code sits
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.