Medical and Surgical
- 00 - Central Nervous System and Cranial Nerves
- 01 - Peripheral Nervous System
- 02 - Heart and Great Vessels
- 03 - Upper Arteries
- 04 - Lower Arteries
- 05 - Upper Veins
- 06 - Lower Veins
- 07 - Lymphatic and Hemic Systems
- 08 - Eye
- 09 - Ear, Nose, Sinus
- 0B - Respiratory System
- 0C - Mouth and Throat
- 0D - Gastrointestinal System
- 0F - Hepatobiliary System and Pancreas
- 0G - Endocrine System
- 0H - Skin and Breast
- 0J - Subcutaneous Tissue and Fascia
- 0K - Muscles
- 0L - Tendons
- 0M - Bursae and Ligaments
- 0N - Head and Facial Bones
- 0P - Upper Bones
- 0Q - Lower Bones
- 0R - Upper Joints
- 0S - Lower Joints
- 0T - Urinary System
- 0U - Female Reproductive System
- 0V - Male Reproductive System
- 0W - Anatomical Regions, General
- 0X - Anatomical Regions, Upper Extremities
- 0Y - Anatomical Regions, Lower Extremities