| 600 / | HD | SURGERY |
| 300 | DF | DIAGNOSTIC TESTING {38} |
| 372 | DF | .~ Structure of body-contacting electrode or electrode inserted in body {6} |
| 395 | ![]() | .~.~ Electrode composition {2} |
| 396 | DF | .~.~.~> Silver/silver chloride containing |
| 397 | DF | .~.~.~> Electrolyte containing |