| 6A7 | Extracorporeal or Systemic Therapies, Physiological Systems, Ultrasound Therapy |
| 6A750Z4 | Ultrasound Therapy of Head and Neck Vessels, Single |
| 6A750Z5 | Ultrasound Therapy of Heart, Single |
| 6A750Z6 | Ultrasound Therapy of Peripheral Vessels, Single |
| 6A750ZZ | Ultrasound Therapy, Circulatory, Single |
| 6A751Z4 | Ultrasound Therapy of Head and Neck Vessels, Multiple |
| 6A751Z5 | Ultrasound Therapy of Heart, Multiple |
| 6A751Z6 | Ultrasound Therapy of Peripheral Vessels, Multiple |
| 6A751Z7 | Ultrasound Therapy of Other Vessels, Multiple |
| 6A751ZZ | Ultrasound Therapy, Circulatory, Multiple |
