The following fourth-character subdivisions are for use with categories Y70-Y82:
| Code | Title |
|---|---|
| .0 |
Diagnostic and monitoring devices
|
| .1 |
Therapeutic (nonsurgical) and rehabilitative devices
|
| .2 |
Prosthetic and other implants, materials and accessory devices
|
| .3 |
Surgical instruments, materials and devices (including sutures)
|
| .8 |
Miscellaneous devices, not elsewhere classified
|