N51

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N51

Billable

Disorders of male genital organs in diseases classified elsewhere

N51 is the ICD-10-CM code for Disorders of male genital organs in diseases classified elsewhere. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
N00-N99
Edition
FY2026

N00-N99 Diseases of the genitourinary system

What this means — in plain language

MedlinePlus · NIH

Problems with the penis can cause pain and affect a man's sexual function and fertility. Penis disorders include: Erectile dysfunction - inability to get or keep an erection Priapism - a painful erection that does not go away Peyronie's disease - bending of the penis during an erection due to a hard lump called a plaque Balanitis - inflammation of the skin covering the head of the penis, most often in men and boys…

Read more about Penis Disorders at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Excludes1 — not coded here

  • amebic balanitis (A06.8)
  • candidal balanitis (B37.42)
  • gonococcal balanitis (A54.23)
  • gonococcal prostatitis (A54.22)
  • herpesviral [herpes simplex] balanitis (A60.01)
  • trichomonal prostatitis (A59.02)
  • tuberculous prostatitis (A18.14)

Code first

  • underlying disease, such as:
  • filariasis (B74.0-B74.9)

Frequently asked questions

What is ICD-10 code N51?
N51 is the ICD-10-CM code for "Disorders of male genital organs in diseases classified elsewhere". It falls under N00-N99 Diseases of the genitourinary system.
Is N51 a billable code?
Yes — N51 is a billable, specific ICD-10-CM code valid for reimbursement.
What is excluded from N51?
Excludes1 (not coded here): amebic balanitis (A06.8); candidal balanitis (B37.42); gonococcal balanitis (A54.23); gonococcal prostatitis (A54.22).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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