U.S. ICD-10-CM · FY 2027

N45 ICD-10-CM Code: Orchitis and epididymitis

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

Code definition

Official description

N45

Orchitis and epididymitis

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

Classification

Where N45 sits

  1. 1

    Chapter 14

    Diseases of the genitourinary system (N00-N99)

  2. 2

    Section

    Diseases of male genital organs (N40-N53)

  3. 3

    Category N45

    Orchitis and epididymitis

  4. 4

    Code N45

    Orchitis and epididymitis

More specific choices

Codes under N45

N45 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 N45.

Code first

No “code first” instruction is listed for N45.

Use additional code

  • code (B95-B97), to identify infectious agent.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for N45.

Excludes2

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

No Excludes2 note is listed for N45.

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 N45 mean?

N45 is the FY 2027 U.S. ICD-10-CM code for “Orchitis and epididymitis.”

Is N45 a billable or specific ICD-10-CM code?

No. N45 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 N45 located in ICD-10-CM?

N45 is listed in Chapter 14, Diseases of the genitourinary system (N00-N99), within Diseases of male genital organs (N40-N53) (N40–N53), under category N45, Orchitis and epididymitis.

What coding notes are listed for N45?

No inclusion terms are listed for N45 in this reference record. No code-first instruction is listed. Additional-code instructions: code (B95-B97), to identify infectious agent.. No Excludes1 note is listed. No Excludes2 note is listed.

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