ICD-10-CM > N00-N99 > N40-N53 > N46 > N46.1 N46.1 Oligospermia Non-Billable/Non-Specific Applicable To Male infertility due to germinal cell desquamationMale infertility due to hypospermatogenesisMale infertility due to incomplete spermatogenic arrest Codes N46.11Organic oligospermiaN46.12Oligospermia due to extratesticular causesN46.121Oligospermia due to drug therapyN46.122Oligospermia due to infectionN46.123Oligospermia due to obstruction of efferent ductsN46.124Oligospermia due to radiationN46.125Oligospermia due to systemic diseaseN46.129Oligospermia due to other extratesticular causes