2027 ICD-10-CM Diagnosis Code N48.5Ulcer of penis

ICD-10-CM Codes›N00–N99›N40-N53›N48

ICD-10-CM N48.5
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

N48.5 is a billable ICD-10-CM diagnosis code for ulcer of penis. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 729 through 730. Coders also document this condition as aphthosis of glans penis. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified male genital disorders.

Code Identity

ICD-10-CM Code
N48.5
Billable Status
Yes — Valid for Submission
Code Describes
Ulcer of penis
Short Description
Ulcer of penis
Same as the full description in the CMS dataset.
Parent Code
N48
Other disorders of penis

Code Classification

ChapterN00–N99Diseases of the genitourinary system
SectionN40-N53Diseases of male genital organs
CategoryN48Other disorders of penis
This CodeN48.5Ulcer of penis

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Aphthosis of glans penis
  • Aphthous ulcer of male genital organ
  • Balanitis circinata
  • Chronic ulcer of corpus cavernosum
  • Chronic ulcer of penis
  • Penile ulceration due to Behçet's disease
  • Ulcer of penis
  • Ulcer of penis due to histoplasmosis

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to N48.5: its own notes plus those printed at Chapter 14. A note printed at a category, block or chapter applies to every code under it.

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Chapter 14 (N00-N99) Diseases of the genitourinary system applies to 838 codes
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name N48.5, its category, or a range that includes it.

Excludes2 1

These codes carry an Excludes2 note naming N48.5: its condition is not part of those codes, and both may be reported when the patient has both.

  • Block R10-R19 Symptoms and signs involving the digestive system and abdomen
    symptoms referable to male genital organs (N48-N50) names N48-N50, which includes this code

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR GEN016
Other specified male genital disorders
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Penis Disorders

Problems with the penis can cause pain and affect a man's sexual function and fertility. Penis disorders include:

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert N48.5 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
607.89 Disorder of penis NEC
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About N48.5Overview

What is the ICD-10 code for ulcer of penis?

The ICD-10-CM code for ulcer of penis is N48.5 (sometimes written as N485). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is N48.5 (Other disorders of penis) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report ulcer of penis on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does N48.5 group to?

When ulcer of penis is the principal diagnosis on an inpatient stay, it groups to MS-DRG 729, 730, with relative weights from 0.6595 to 1.0553 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of N48.5?

Under the General Equivalence Mappings, ulcer of penis converts to ICD-9-CM 607.89 (disorder of penis NEC). The mapping is approximate, so confirm the match fits the documentation.