| Intact Proinsulin ELISA | 04050598000681 | Immundiagnostik AG | Unknown class | |
| Mercodia Proinsulin ELISA | 07350108630153 | Mercodia AB | Unknown class | |
| Proinsulin(Pro-INS) Detection Kit(CLIA) | 06974674893043 | Shenzhen Zijian Biotechnology Co., Ltd | Unknown class | |
| Pro-Insulin Test Kit (Chemiluminescence) | 06921893005023 | Nanjing Norman Biological Technology Co., Ltd. | Unknown class | |
| Pro-Insulin Test Kit (Chemiluminescence) | 06921893005030 | Nanjing Norman Biological Technology Co., Ltd. | Unknown class | |
| Pro-Insulin Test Kit (Chemiluminescence) | 06921893006259 | Nanjing Norman Biological Technology Co., Ltd. | Unknown class | |
| TECO® Human Intact Proinsulin ELISA | 07640146270016 | TECOmedical AG | Unknown class | |