| K-ASSAY Cystatin C | 00816426020320 | KAMIYA BIOMEDICAL COMPANY, LLC | Unknown class | |
| K-ASSAY Cystatin C Calibrator | 00816426020771 | KAMIYA BIOMEDICAL COMPANY, LLC | Unknown class | |
| K-ASSAY Cystatin C Calibrator | 00816426021600 | KAMIYA BIOMEDICAL COMPANY, LLC | Unknown class | |
| K-ASSAY Cystatin C Control | 00816426020917 | KAMIYA BIOMEDICAL COMPANY, LLC | Unknown class | |
| K-ASSAY Cystatin C Control | 00816426021617 | KAMIYA BIOMEDICAL COMPANY, LLC | Unknown class | |
| Nephstar Cys C Kit | 06971225933890 | Goldsite Diagnostics Inc. | Unknown class | |
| N Latex Cystatin C | 00842768037351 | Siemens Healthcare Diagnostics Products GmbH | Class C | |
| Omlipo Cys C Kit | 06971225930868 | Goldsite Diagnostics Inc. | Unknown class | |
| Optilite® Cystatin C Control Pack | 05051700019040 | The Binding Site Group Ltd | Class B | |
| Optilite® Cystatin C Kit | 05051700017220 | The Binding Site Group Ltd | Class B | |
| Rapid Cystatin C Test Card | 06921963716996 | Xiamen Boson Biotech Co., Ltd. | Unknown class | |
| RapidFor™ | 08683548250315 | Vitrosens Biotechnology Inc. | Class B | |
| RapidFor™ | 08685115803023 | Vitrosens Biotechnology Inc. | Class B | |
| RapidFor™ Cystatin C Rapid Test Kit (FIA) | 08683548250308 | Vitrosens Biotechnology Inc. | Unknown class | |
| ReLIA | 06971354100224 | ReLIA Biotechnologies (Jiangsu), Inc. | Unknown class | |
| ReLIA | 06971354100231 | ReLIA Biotechnologies (Jiangsu), Inc. | Unknown class | |
| ReLIA | 06971354101092 | ReLIA Biotechnologies (Jiangsu), Inc. | Unknown class | |
| ReLIA | 06971354101122 | ReLIA Biotechnologies (Jiangsu), Inc. | Unknown class | |
| ST AIA-PACK Cystatin C | 14560189212173 | Tosoh Corporation | Unknown class | |
| ST AIA-PACK Cystatin C CALIBRATOR SET | 04560189212190 | Tosoh Corporation | Unknown class | |
| ST AIA-PACK Cystatin C SAMPLE DILUTING SOLUTION | 04560189212206 | Tosoh Corporation | Unknown class | |