FY2027 ICD-10-CM reference
N99: Intraoperative and postprocedural complications and disorders of genitourinary system, not elsewhere classified
By the HCC Buddy Coding Team
The official ICD-10-CM descriptor is Intraoperative and postprocedural complications and disorders of genitourinary system, not elsewhere classified. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.
Nonbillable heading. Verified against the official FY2027 order file.
More specific FY2027 codes
- N99.0: Postprocedural (acute) (chronic) kidney failureBillable code
- N99.1: Postprocedural urethral strictureNonbillable heading
- N99.2: Postprocedural adhesions of vaginaBillable code
- N99.3: Prolapse of vaginal vault after hysterectomyBillable code
- N99.4: Postprocedural pelvic peritoneal adhesionsBillable code
- N99.5: Complications of stoma of urinary tractNonbillable heading
- N99.6: Intraoperative hemorrhage and hematoma of a genitourinary system organ or structure complicating a procedureNonbillable heading
- N99.7: Accidental puncture and laceration of a genitourinary system organ or structure during a procedureNonbillable heading
- N99.8: Other intraoperative and postprocedural complications and disorders of genitourinary systemNonbillable heading
FY2027 Tabular instructions
Instructions below include applicable chapter, section and parent-code notes. Each note identifies where it appears in the official source.
Excludes2
certain conditions originating in the perinatal period (P04-P96)
Source: N00-N99 (chapter, inherited).
Excludes2
certain infectious and parasitic diseases (A00-B99)
Source: N00-N99 (chapter, inherited).
Excludes2
complications of pregnancy, childbirth and the puerperium (O00-O9A)
Source: N00-N99 (chapter, inherited).
Excludes2
congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
Source: N00-N99 (chapter, inherited).
Excludes2
endocrine, nutritional and metabolic diseases (E00-E88)
Source: N00-N99 (chapter, inherited).
Excludes2
injury, poisoning and certain other consequences of external causes (S00-T88)
Source: N00-N99 (chapter, inherited).
Excludes2
neoplasms (C00-D49)
Source: N00-N99 (chapter, inherited).
Excludes2
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Source: N00-N99 (chapter, inherited).
Excludes2
irradiation cystitis (N30.4-)
Source: N99 (category, direct).
Excludes2
postoophorectomy osteoporosis with current pathological fracture (M80.8-)
Source: N99 (category, direct).
Excludes2
postoophorectomy osteoporosis without current pathological fracture (M81.8)
Source: N99 (category, direct).
Compare the FY2027 additions, removals and billable-status changes
What does N99 mean in FY2027?
The official ICD-10-CM descriptor is Intraoperative and postprocedural complications and disorders of genitourinary system, not elsewhere classified. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.
Is N99 billable in FY2027?
The FY2027 order file marks N99 as a nonbillable heading. Select a complete billable child code.
Does N99 map to an HCC?
Risk-model mapping is not applicable to this nonbillable heading. Check a complete billable child code.
Source: CMS FY2027 ICD-10-CM order file. Payment model: CMS CY 2027 Rate Announcement. Read the FY2027 Official Guidelines.
Review the FY2026 April edition