N45.9 ICD-10-CA subcategory: Orchitis, epididymitis and epididymo-orchitis without abscess
N45.9 isn’t a code on its own. Choose one of the 3 codes beneath it, the one the documentation supports.
Official description
N45.9Orchitis, epididymitis and epididymo-orchitis without abscess
ICD-10-CA · Canada · Also written N459
Codes in N45.9
N45.9 isn’t a code on its own. Open the code that matches what the note documents.
Notes for N45.9
As CIHI prints them, with any note N45.9 takes from the headings above it.
Use additional code
Add a code for this detail when the note documents it.
- Use additional code (B95-B97) to identify infectious agent.From N45 Orchitis and epididymitis
Excludes
Conditions classified elsewhere.
- Certain conditions originating in the perinatal period (P00-P96)certain infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)From Chapter 14: Diseases of the genitourinary system (N00-N99)
Where N45.9 sits
- 1ChapterChapter 14: Diseases of the genitourinary system (N00-N99)
- 2Block N40-N51Diseases of male genital organs
- 3Category N45Orchitis and epididymitis
- 4Subcategory N45.9Orchitis, epididymitis and epididymo-orchitis without abscess
Source and release
- Data release
- ICD-10-CA · FY 2026–2027
- Effective date
- Apr 1, 2026
- Publisher
- CIHI
This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
Is N45.9 a valid ICD-10-CA code?
No. N45.9 (Orchitis, epididymitis and epididymo-orchitis without abscess) is a subcategory heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 3 codes; record the one the documentation supports.
Where is N45.9 in ICD-10-CA?
N45.9 sits under N45 Orchitis and epididymitis, within N40-N51 Diseases of male genital organs, within Chapter 14: Diseases of the genitourinary system (N00-N99).
What coding notes apply to N45.9?
ICD-10-CA lists Use additional code, Excludes notes for N45.9, including those from the headings it sits under. They are listed on this page with where each one comes from.
Which ICD-10-CA release does this page use?
It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.