ICD-10-CM > N00-N99 > N40-N53 > N43 > N43.4 N43.4 Spermatocele of epididymis Non-Billable/Non-Specific Applicable To Spermatic cyst Codes N43.40Spermatocele of epididymis, unspecifiedN43.41Spermatocele of epididymis, singleN43.42Spermatocele of epididymis, multiple