| 600 / | HD | SURGERY |
| 300 | DF | DIAGNOSTIC TESTING {38} |
| 372 | DF | .~ Structure of body-contacting electrode or electrode inserted in body {6} |
| 382 | ![]() | .~.~ Electrode attached to or positioned relative to a specific external body portion {3} |
| 383 | DF | .~.~.~> Head or eye |
| 384 | DF | .~.~.~> Attached to one of the body's extremities |
| 385 | DF | .~.~.~> Radiolucent |