U.S. ICD-10-CM · FY 2027

N99 ICD-10-CM Code: Intraoperative and postprocedural complications and disorders of genitourinary system, not elsewhere classified

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

N99

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

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where N99 sits

  1. 1

    Chapter 14

    Diseases of the genitourinary system (N00-N99)

  2. 2

    Section

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

  3. 3

    Category N99

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

  4. 4

    Code N99

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

More specific choices

Codes under N99

N99 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for N99.

Code first

No “code first” instruction is listed for N99.

Use additional code

No “use additional code” instruction is listed for N99.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for N99.

Excludes2

Conditions not included here that may be reported separately when present.

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

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code N99 mean?

N99 is the FY 2027 U.S. ICD-10-CM code for “Intraoperative and postprocedural complications and disorders of genitourinary system, not elsewhere classified.”

Is N99 a billable or specific ICD-10-CM code?

No. N99 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is N99 located in ICD-10-CM?

N99 is listed in Chapter 14, Diseases of the genitourinary system (N00-N99), within Intraoperative and postprocedural complications and disorders of genitourinary system, not elsewhere classified (N99) (N99–N99), under category N99, Intraoperative and postprocedural complications and disorders of genitourinary system, not elsewhere classified.

What coding notes are listed for N99?

No inclusion terms are listed for N99 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. Excludes2 notes: irradiation cystitis (N30.4-); postoophorectomy osteoporosis with current pathological fracture (M80.8-); postoophorectomy osteoporosis without current pathological fracture (M81.8).

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