ICD-10-CM
ICD-10 code for Hydrocele: N43.3
The ICD-10-CM index points "Hydrocele" to N43 (Hydrocele and spermatocele), a header that is not billable. When nothing more specific is documented, the billable code is N43.3, Hydrocele, unspecified.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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Index subterms
A header groups codes and is not billed. A billable code is one you can report.
- N94.89canal of Nuck, Other specified conditions associated with female genital organs and menstrual cycleBillable
- N43.2communicating, Other hydroceleBillable
- P83.5congenital, Congenital hydroceleBillable
- N43.0encysted, Encysted hydroceleBillable
- N94.89female NEC, Other specified conditions associated with female genital organs and menstrual cycleBillable
- N43.1infected, Infected hydroceleBillable
- P83.5newborn, Congenital hydroceleBillable
- N94.89round ligament, Other specified conditions associated with female genital organs and menstrual cycleBillable
- N43.2specified NEC, Other hydroceleBillable
- N90.89vulva, Other specified noninflammatory disorders of vulva and perineumBillable
More specific codes in N43
A header groups codes and is not billed. A billable code is one you can report.
- N43Hydrocele and spermatoceleHeader
- N43.0Encysted hydroceleBillable
- N43.1Infected hydroceleBillable
- N43.2Other hydroceleBillable
- N43.3Hydrocele, unspecifiedBillable
- N43.4Spermatocele of epididymisHeader
- N43.40Spermatocele of epididymis, unspecifiedBillable
- N43.41Spermatocele of epididymis, singleBillable
- N43.42Spermatocele of epididymis, multipleBillable
Excludes1
Excludes1 means these codes are not reported together.
From N43. A note on a category applies to every code under it.
Related conditions
Related pages
- N43.3 code detailsNotes, nearby codes, CMS-HCC group
- Category N43Every code under it
- Chapter 14Diseases of the genitourinary system
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Hydrocele?
The ICD-10-CM index points "Hydrocele" to N43 (Hydrocele and spermatocele), a header that is not billable. When nothing more specific is documented, the billable code is N43.3, Hydrocele, unspecified.
Is N43.3 billable?
Yes. N43.3 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to N43.3?
The CDC tabular list gives 1 Excludes1 note (not coded together) for N43.3 and the categories above it. They are listed on this page.
What chapter is N43.3 in?
Chapter 14. Diseases of the genitourinary system.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.