N41.1 Chronic prostatitis

Billable ICD-10-CM code, FY2026.

Applies from N41 Inflammatory diseases of prostate

Use additional code

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

MS-DRG index

Defines the logic of DRG(s) 727-728 in MDC 12.

Approximate ICD-9-CM (GEMs)

• 601.1 Chronic prostatitis

Medicare Code Edits (MCE v43.1 (April 2026))

• Adult diagnoses (age 15 through 124): Age conflict edit. These diagnoses are clinically expected only in patients age 15 through 124.

Code annotations containing back-references to N41.1

Back-references to N41

• Type 1 Excludes: N42.1 Congestion and hemorrhage of prostate ("inflammatory diseases of prostate (N41.-)")

Diagnosis Index entries for N41.1

• Prostatitis (congestive) (suppurative) (with cystitis) › chronic
• Prostatitis (congestive) (suppurative) (with cystitis) › fibrous
• Prostatitis (congestive) (suppurative) (with cystitis) › hypertrophic
• Prostatitis (congestive) (suppurative) (with cystitis) › subacute

Nearby codes

• N41 Inflammatory diseases of prostate
• N41.0 Acute prostatitis
• N41.1 Chronic prostatitis (this code)
• N41.2 Abscess of prostate
• N41.3 Prostatocystitis
• N41.4 Granulomatous prostatitis
• N41.8 Other inflammatory diseases of prostate
• N41.9 Inflammatory disease of prostate, unspecified