N43Header code — not billable

Hydrocele and spermatocele

Chapter
14. Diseases of the genitourinary system
Category
N43
Effective date
October 1, 2026

Related codes in category N43

N43.0Encysted hydroceleYesN43.1Infected hydroceleYesN43.2Other hydroceleYesN43.3Hydrocele, unspecifiedYesN43.4Spermatocele of epididymisN43.40Spermatocele of epididymis, unspecifiedYesN43.41Spermatocele of epididymis, singleYesN43.42Spermatocele of epididymis, multipleYes

Frequently asked questions

What is ICD-10 code N43?

N43 is an ICD-10-CM diagnosis code for Hydrocele and spermatocele.

Is N43 a billable code?

No. N43 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is N43 in?

N43 falls under Chapter 14: Diseases of the genitourinary system.

When did N43 become effective?

N43 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to N43?

N43 belongs to category N43, which includes 8 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.