Anesthesia procedure codes are grouped according to?

By anatomical location and procedure:

• Head
• Neck
• Thorax (Chest Wall and Shoulder Girdle)
• Intrathoracic
• Spine and Spinal Cord
• Upper Abdomen
• Lower Abdomen
• Perineum
• Pelvis (Except Hip)
• Upper Leg (Except Knee)
• Knee and Popliteal Area
• Lower Leg (Below Knee, Includes Ankle and Foot)
• Shoulder and Axilla
• Upper Arm and Elbow
• Forearm, Wrist, and Hand
• Radiological Procedures
• Burn, Excisions or Debridement
• Obstetric
• Other Procedures