| Y78 | Radiological devices associated with adverse incidents |
| | Diagnostic and monitoring radiological devices associated with adverse incidents |
| | Therapeutic (nonsurgical) and rehabilitative radiological devices associated with adverse incidents |
| | Prosthetic and other implants, materials and accessory radiological devices associated with adverse incidents |
| | Surgical instruments, materials and radiological devices (including sutures) associated with adverse incidents |
| | Miscellaneous radiological devices associated with adverse incidents, not elsewhere classified |
