ICD-10-CM 2027
ICD-10 code for prostate ulcer
From the official ICD-10-CM alphabetic index entry “Ulcer, ulcerated, ulcerating, ulceration, ulcerative › prostate”. Page updated September 29, 2026.
About coding prostate ulcer
The ICD-10-CM code for prostate ulcer is N41.9 (Inflammatory disease of prostate, unspecified).
Within N41, choose N41.9 (Inflammatory disease of prostate, unspecified) only when documentation doesn't support a more specific option: acute prostatitis (N41.0), chronic prostatitis (N41.1), abscess of prostate (N41.2), Prostatocystitis (N41.3), granulomatous prostatitis (N41.4) and other inflammatory diseases of prostate (N41.8).
Use an additional code (B95-B97), to identify infectious agent.
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
Common questions about prostate ulcer ICD-10 codes
What is the ICD-10 code for prostate ulcer?
- N41.9 — Inflammatory disease of prostate, unspecified.
Is N41.9 billable?
- Yes. N41.9 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can N41.9 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict N41.9 as a principal diagnosis.
Is N41.9 a CC or MCC?
- No. N41.9 is neither a CC nor an MCC under MS-DRG v44.0.