ICD-10-CM 2027
ICD-10 code for infected hydrocele
From the official ICD-10-CM alphabetic index entry “Hydrocele (spermatic cord) (testis) (tunica vaginalis) › infected”. Page updated September 29, 2026.
About coding infected hydrocele
The ICD-10-CM code for infected hydrocele is N43.1 (Infected hydrocele).
Within N43 (hydrocele and spermatocele), N43.1 is specifically for infected hydrocele. Related codes cover Encysted hydrocele (N43.0), other hydrocele (N43.2), hydrocele, unspecified (N43.3) and spermatocele of epididymis (N43.4).
Use an additional code (B95-B97), to identify infectious agent.
As a secondary diagnosis it is a CC (complication or comorbidity), which can move an inpatient stay into the "with CC" MS-DRG of its family, unless the principal diagnosis excludes it.
Common questions about infected hydrocele ICD-10 codes
What is the ICD-10 code for infected hydrocele?
- N43.1 — Infected hydrocele.
Is N43.1 billable?
- Yes. N43.1 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can N43.1 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict N43.1 as a principal diagnosis.
Is N43.1 a CC or MCC?
- N43.1 is a CC (complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.