ICD-10-CM > Z00-Z99 > Z30-Z39 > Z31 > Z31.4 Z31.4 Encounter for procreative investigation and testing Non-Billable/Non-Specific Type 1 Excludes postvasectomy sperm count (Z30.8) Codes Z31.41Encounter for fertility testingZ31.42Aftercare following sterilization reversalZ31.43Encounter for genetic testing of female for procreative managementZ31.430Encounter of female for testing for genetic disease carrier status for procreative managementZ31.438Encounter for other genetic testing of female for procreative managementZ31.44Encounter for genetic testing of male for procreative managementZ31.440Encounter of male for testing for genetic disease carrier status for procreative managementZ31.441Encounter for testing of male partner of patient with recurrent pregnancy lossZ31.448Encounter for other genetic testing of male for procreative managementZ31.49Encounter for other procreative investigation and testing