| Z31 | Encounter for procreative management | NON-BILLABLE CODE |
| Z31.0 | Encounter for reversal of previous sterilization | BILLABLE CODE |
| Z31.4 | Encounter for procreative investigation and testing | NON-BILLABLE CODE |
| Z31.41 | Encounter for fertility testing | BILLABLE CODE |
| Z31.42 | Aftercare following sterilization reversal | BILLABLE CODE |
| Z31.43 | Encounter for genetic testing of female for procreative management | NON-BILLABLE CODE |
| Z31.430 | Encounter of female for testing for genetic disease carrier status for procreative management | BILLABLE CODE |
| Z31.438 | Encounter for other genetic testing of female for procreative management | BILLABLE CODE |
| Z31.44 | Encounter for genetic testing of male for procreative management | NON-BILLABLE CODE |
| Z31.440 | Encounter of male for testing for genetic disease carrier status for procreative management | BILLABLE CODE |
| Z31.441 | Encounter for testing of male partner of patient with recurrent pregnancy loss | BILLABLE CODE |
| Z31.448 | Encounter for other genetic testing of male for procreative management | BILLABLE CODE |
| Z31.49 | Encounter for other procreative investigation and testing | BILLABLE CODE |
| Z31.5 | Encounter for procreative genetic counseling | BILLABLE CODE |
| Z31.6 | Encounter for general counseling and advice on procreation | NON-BILLABLE CODE |
| Z31.61 | Procreative counseling and advice using natural family planning | BILLABLE CODE |
| Z31.69 | Encounter for other general counseling and advice on procreation | BILLABLE CODE |
| Z31.7 | Encounter for procreative management and counseling for gestational carrier | BILLABLE CODE |
| Z31.8 | Encounter for other procreative management | NON-BILLABLE CODE |
| Z31.81 | Encounter for male factor infertility in female patient | BILLABLE CODE |
| Z31.82 | Encounter for Rh incompatibility status | BILLABLE CODE |
| Z31.83 | Encounter for assisted reproductive fertility procedure cycle | BILLABLE CODE |
| Z31.84 | Encounter for fertility preservation procedure | BILLABLE CODE |
| Z31.89 | Encounter for other procreative management | BILLABLE CODE |
| Z31.9 | Encounter for procreative management, unspecified | BILLABLE CODE |
