| Z48.21 | Encounter for aftercare following heart transplant | BILLABLE CODE |
| Z48.22 | Encounter for aftercare following kidney transplant | BILLABLE CODE |
| Z48.23 | Encounter for aftercare following liver transplant | BILLABLE CODE |
| Z48.24 | Encounter for aftercare following lung transplant | BILLABLE CODE |
| Z48.28 | Encounter for aftercare following multiple organ transplant | NON-BILLABLE CODE |
| Z48.280 | Encounter for aftercare following heart-lung transplant | BILLABLE CODE |
| Z48.288 | Encounter for aftercare following multiple organ transplant | BILLABLE CODE |
| Z48.29 | Encounter for aftercare following other organ transplant | NON-BILLABLE CODE |
| Z48.290 | Encounter for aftercare following bone marrow transplant | BILLABLE CODE |
| Z48.298 | Encounter for aftercare following other organ transplant | BILLABLE CODE |
