New Technology
- X0 - Nervous System
- X2 - Cardiovascular System
- XD - Gastrointestinal System
- XF - Hepatobiliary System and Pancreas
- XH - Skin, Subcutaneous Tissue, Fascia and Breast
- XK - Muscles, Tendons, Bursae and Ligaments
- XN - Bones
- XR - Joints
- XT - Urinary System
- XW - Anatomical Regions
- XX - Physiological Systems
- XY - Extracorporeal