ICD-10-CM
ICD-10 code for Prostatitis: N41.9
The ICD-10-CM index points "Prostatitis" to N41 (Inflammatory diseases of prostate), a header that is not billable. When nothing more specific is documented, the billable code is N41.9, Inflammatory disease of prostate, unspecified.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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Index subterms
A header groups codes and is not billed. A billable code is one you can report.
- N41.0acute, Acute prostatitisBillable
- N41.8cavitary, Other inflammatory diseases of prostateBillable
- N41.1chronic, Chronic prostatitisBillable
- N41.8diverticular, Other inflammatory diseases of prostateBillable
- A59.02due to Trichomonas (vaginalis), Trichomonal prostatitisBillable
- N41.1fibrous, Chronic prostatitisBillable
- A54.22gonococcal (acute) (chronic), Gonococcal prostatitisBillable
- N41.4granulomatous, Granulomatous prostatitisBillable
- N41.1hypertrophic, Chronic prostatitisBillable
- N41.1subacute, Chronic prostatitisBillable
- A59.02trichomonal, Trichomonal prostatitisBillable
- A18.14tuberculous, Tuberculosis of prostateBillable
More specific codes in N41
A header groups codes and is not billed. A billable code is one you can report.
- N41Inflammatory diseases of prostateHeader
- N41.0Acute prostatitisBillable
- N41.1Chronic prostatitisBillable
- N41.2Abscess of prostateBillable
- N41.3ProstatocystitisBillable
- N41.4Granulomatous prostatitisBillable
- N41.8Other inflammatory diseases of prostateBillable
- N41.9Inflammatory disease of prostate, unspecifiedBillable
Use additional code
The CDC tabular list says to add the code named here after this one when it applies.
From N41. A note on a category applies to every code under it.
Use additional code (B95-B97), to identify infectious agent.
Related conditions
Related pages
- N41.9 code detailsNotes, nearby codes, CMS-HCC group
- Category N41Every code under it
- Chapter 14Diseases of the genitourinary system
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Prostatitis?
The ICD-10-CM index points "Prostatitis" to N41 (Inflammatory diseases of prostate), a header that is not billable. When nothing more specific is documented, the billable code is N41.9, Inflammatory disease of prostate, unspecified.
Is N41.9 billable?
Yes. N41.9 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to N41.9?
The CDC tabular list gives 1 "use additional code" note for N41.9 and the categories above it. They are listed on this page.
What chapter is N41.9 in?
Chapter 14. Diseases of the genitourinary system.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.