2026 ICD-10-CM Diagnosis Code N43Hydrocele and spermatocele

ICD-10-CM Codes›N00–N99›N40-N53›N43

ICD-10-CM N43
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

N43 is a non-billable ICD-10-CM category code for hydrocele and spermatocele, so it cannot be submitted on claims. Use a more specific code from this category instead, such as N43.0, N43.1, N43.2, and N43.3.

Code Identity

ICD-10-CM Code
N43
Billable Status
No — Non-Billable Category
Code Describes
Hydrocele and spermatocele
Short Description
Hydrocele and spermatocele
Same as the full description in the CMS dataset.
Chapter
N40-N53
Diseases of male genital organs

Code Classification

ChapterN00–N99Diseases of the genitourinary system
SectionN40-N53Diseases of male genital organs
CategoryN43Hydrocele and spermatocele
This CodeN43Hydrocele and spermatocele

Specific Coding for Hydrocele and spermatoceleOverview

Non-specific codes like N43 require more characters. Use one of these billable codes instead:

  • Use N43.0 for Encysted hydrocele

  • Use N43.1 for Infected hydrocele

  • Use N43.2 for Other hydrocele

  • Use N43.3 for Hydrocele, unspecified

  • N43.4 for Spermatocele of epididymis

  • Use N43.40 for Spermatocele of epididymis, unspecified

  • Use N43.41 for Spermatocele of epididymis, single

  • Use N43.42 for Spermatocele of epididymis, multiple

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Includes

  • hydrocele of spermatic cord, testis or tunica vaginalis

Type 1 Excludes

  • congenital hydrocele P83.5

Patient EducationClinical

Testicular Disorders

Testicles, or testes, make male hormones and sperm. They are two egg-shaped organs inside the scrotum, the loose sac of skin behind the penis. It's easy to injure your testicles because they are not protected by bones or muscles. Men and boys should wear athletic supporters when they play sports.

Read the full article at MedlinePlus

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

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About N43Overview

Is N43 (Hydrocele and spermatocele) a billable code?

No. This is a category header that groups the codes for hydrocele and spermatocele, and headers cannot be submitted on claims. Claims for hydrocele and spermatocele need a more specific code from this category, such as N43.0, N43.1, and N43.2.