| 600 / | HD | SURGERY |
| 300 | DF | DIAGNOSTIC TESTING {38} |
| 407 | DF | .~ Detecting nuclear, electromagnetic, or ultrasonic radiation {11} |
| 437 | DF | .~.~ Ultrasonic {10} |
| 459 | DF | .~.~.~ Structure of transducer or probe assembly {3} |
| 462 | ![]() | .~.~.~.~ Probe placed in vascular system or body orifice {4} |
| 463 | DF | .~.~.~.~.~> With acoustical or display imaging |
| 464 | DF | .~.~.~.~.~> Having puncturing means thereon |
| 466 | DF | .~.~.~.~.~> Catheter {2} |
| 465 | DF | .~.~.~.~.~> Blood flow measurement |