| ABX Pentra Potassium-E | 03610230005859 | HORIBA ABX SAS | Unknown class | |
| ADVIA Chemistry Potassium Electrode | 00630414482323 | Siemens Healthcare Diagnostics Inc. | Unknown class | |
| EasyLyte Neo Potassium Electrode | 00379497006407 | Medica Corporation | Class B | |
| Electrode K | 08426950038160 | Instrumentation Laboratory SpA | Class B | |
| Electrodes For Electrolytes And Biochemical Analyzers | 06975200381461 | Shenzhen Xilaiheng Medical Electronics Co.,Ltd. | Unknown class | |
| K electrode | 04980679110032 | JOKOH CO.,LTD. | Unknown class | |
| K electrode | 04980679110285 | JOKOH CO.,LTD. | Unknown class | |
| MAXLYTE | 89061707102494 | Avecon Healthcare Pvt. Ltd. | Class A | |
| Potassium electrode | 06903053025102 | Shenzhen Mindray Bio-Medical Electronics Co., Ltd. | Class B | |
| Potassium electrode | 06936595774405 | MedicalSystem Biotechnology Co., Ltd. | Unknown class | |
| Potassium electrode | 06944904024639 | Shenzhen Mindray Bio-Medical Electronics Co., Ltd. | Class B | |
| Potassium Electrode (K+) | 03701700828136 | VitalScientific | Class B | |
| Potassium Micro Volume Electrode | 16438153815935 | Thermo Fisher Scientific Oy | Class B | |