| JC | James-town Canyon |
|---|---|
| JCA | Juvenile Chronic Arthritis |
| JCAH | Joint Commision of Accreditation of Hospitals |
| JCAHO | Joint Commission of Accreditation of Healthcare Organizations |
| JCAHO | Joint Commission on the Accreditation of Health Care Organizations |
| JCML | Juvenile chronic myelogenous leukaemia |
| JCML | Juvenile chronic myeloid leukaemia |
| JCOG | Japan Clinical Oncology Group |
| JCRT | Joint Center for Radiation Therapy |
| JCV | JC |