ICD-10-CM > Z00-Z99 > Z40-Z53 > Z48 > Z48.2 Z48.2 Encounter for aftercare following organ transplant Non-Billable/Non-Specific Codes Z48.21Encounter for aftercare following heart transplantZ48.22Encounter for aftercare following kidney transplantZ48.23Encounter for aftercare following liver transplantZ48.24Encounter for aftercare following lung transplantZ48.28Encounter for aftercare following multiple organ transplantZ48.280Encounter for aftercare following heart-lung transplantZ48.288Encounter for aftercare following multiple organ transplantZ48.29Encounter for aftercare following other organ transplantZ48.290Encounter for aftercare following bone marrow transplantZ48.298Encounter for aftercare following other organ transplant