MCMedicalCodingSoftware
N45.1

N45.1: Epididymitis

Billable / specific codeICD-10-CM

N45.1 is a billable, specific ICD-10-CM code for epididymitis. It is valid for submission on a claim.

Check N45.1 with the rest of the claim: free scrubber

Other codes that can never be billed with N45.1

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • N49Inflammatory disorders of male genital organs, not elsewhere classified

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

N45.1 is named in 3 Medicare coverage policies: 3 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56697Billing and Coding: Non-Invasive Vascular Studies
  • A56758Billing and Coding: Non-Invasive Vascular Studies
  • A57591Billing and Coding: Non-Invasive Abdominal / Visceral Vascular Studies

Alphabetic index entries that lead here

  • Didymytis
  • Epididymitis(acute) (nonvenereal) (recurrent) (residual)
  • Periepididymitis
  • Gangrene, gangrenous›epididymis(infectional)

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under N45

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.