| ADVIA Centaur Cytokeratin Fragment 21-1 (CYFRA) | 00630414291338 | Siemens Healthcare Diagnostics Inc. | Class C | |
| AFIAS Cyfra21-1 | 08806133006405 | Boditech Med Inc. | Unknown class | |
| AFIAS Cyfra21-1 | 08806133043967 | Boditech Med Inc. | Class C | |
| Alinity | 00380740154011 | ABBOTT GmbH | Class C | |
| Alinity | 00380740168193 | ABBOTT GmbH | Class C | |
| ARCHITECT | 00380740004026 | ABBOTT GmbH | Class C | |
| ARCHITECT | 00380740167998 | ABBOTT GmbH | Class C | |
| Atellica IM Cytokeratin Fragment 21-1 (CYFRA) | 00630414291345 | Siemens Healthcare Diagnostics Inc. | Class C | |
| AURYX 90 CYFRA 21-1 Reagent Kit | 05907514600656 | PZ CORMAY Spółka Akcyjna | Unknown class | |
| AURYX 90 CYFRA 21-1 Reagent Kit | 05907514600663 | PZ CORMAY Spółka Akcyjna | Unknown class | |
| CYFRA 21-1 Assay (CLIA) | 06941967231509 | Zybio Inc. | Unknown class | |
| CYFRA 21-1 Assay Reagent Kit (CMIA) | 06971792053335 | Hangzhou Realy Tech Co.,Ltd. | Unknown class | |
| CYFRA 21-1 Assay Reagent Kit (CMIA) | 06976753470053 | Hangzhou Cybereagen Biotech Co., Ltd. | Unknown class | |
| Cyfra 21-1 Chemiluminescence Immunoassay Kit | 06955792737068 | Sansure Biotech Inc. | Unknown class | |
| Cyfra 21-1 Chemiluminescence Immunoassay Kit | 06955792737075 | Sansure Biotech Inc. | Unknown class | |
| Cyfra 21-1 Chemiluminescence Immunoassay Kit | 06955792737082 | Sansure Biotech Inc. | Unknown class | |
| Cyfra 21-1 Chemiluminescence Immunoassay Kit | 06955792737099 | Sansure Biotech Inc. | Unknown class | |
| Cyfra 21-1 Chemiluminescence Immunoassay Kit | 06955792737105 | Sansure Biotech Inc. | Unknown class | |
| Cyfra 21-1 Chemiluminescence Immunoassay Kit | 06955792737112 | Sansure Biotech Inc. | Unknown class | |
| Cyfra 21-1 Chemiluminescence Immunoassay Kit | 06972719600755 | Nanjing RealMind Biotech Co., Ltd. | Unknown class | |
| Cyfra 21-1 Chemiluminescence Immunoassay Kit | 06972719602896 | Nanjing RealMind Biotech Co., Ltd. | Unknown class | |
| Cyfra 21-1 Chemiluminescence Immunoassay Kit | 06972719602902 | Nanjing RealMind Biotech Co., Ltd. | Unknown class | |
| Cyfra 21-1 Chemiluminescence Immunoassay Kit | 06972719602919 | Nanjing RealMind Biotech Co., Ltd. | Unknown class | |
| Cyfra 21-1 Chemiluminescence Immunoassay Kit | 06972719604425 | Nanjing RealMind Biotech Co., Ltd. | Unknown class | |
| Cyfra 21-1 Chemiluminescence Immunoassay Kit | 06972719604432 | Nanjing RealMind Biotech Co., Ltd. | Unknown class | |
| CYFRA 21-1(CLIA) | 06944904091136 | Shenzhen Mindray Bio-Medical Electronics Co., Ltd. | Class C | |
| CYFRA 21-1(CLIA) | 06944904091167 | Shenzhen Mindray Bio-Medical Electronics Co., Ltd. | Class C | |
| CYFRA21-1 CLIA | 06942609200488 | Guangzhou KOFA Biotechnology Co., Ltd. | Unknown class | |
| CYFRA21-1 CLIA | 06942609200495 | Guangzhou KOFA Biotechnology Co., Ltd. | Unknown class | |
| CYFRA21-1 CLIA | 06942609200501 | Guangzhou KOFA Biotechnology Co., Ltd. | Unknown class | |
| CYFRA21-1 CLIA | 06942609200518 | Guangzhou KOFA Biotechnology Co., Ltd. | Unknown class | |
| CYFRA21-1 CLIA | 06942609203175 | Guangzhou KOFA Biotechnology Co., Ltd. | Unknown class | |
| CYFRA21-1 CLIA | 06942609203182 | Guangzhou KOFA Biotechnology Co., Ltd. | Unknown class | |
| CYFRA21-1 CLIA | 06942609203199 | Guangzhou KOFA Biotechnology Co., Ltd. | Unknown class | |
| CYFRA21-1 CLIA | 06942609203205 | Guangzhou KOFA Biotechnology Co., Ltd. | Unknown class | |
| CYFRA 21-1 CLIA Microparticles | 06942359508940 | Autobio Diagnostics Co., Ltd. | Class C | |
| CYFRA 21-1 CLIA Microparticles | 06942359549899 | Autobio Diagnostics Co., Ltd. | Class C | |
| CYFRA 21-1 CLIA Microparticles | 06942359549912 | Autobio Diagnostics Co., Ltd. | Class C | |
| CYFRA 21-1 EIA | 17350066140135 | Fujirebio Diagnostics AB | Class C | |
| Cyfra21-1 Rapid Quantitative Test (Chemiluminescence Immunoassay) | 06933260207572 | Xiamen Biotime Biotechnology Co., Ltd. | Unknown class | |
| Cyfra21-1 Rapid Quantitative Test (Chemiluminescence Immunoassay) | 06933260207589 | Xiamen Biotime Biotechnology Co., Ltd. | Unknown class | |
| Cyfra21-1 Rapid Quantitative Test (Chemiluminescence Immunoassay) | 06933260207596 | Xiamen Biotime Biotechnology Co., Ltd. | Unknown class | |
| Cyfra21-1 Rapid Quantitative Test (Chemiluminescence Immunoassay) | 06933260207602 | Xiamen Biotime Biotechnology Co., Ltd. | Unknown class | |
| Cyfra21-1 Rapid Quantitative Test (Chemiluminescence Immunoassay) | 06933260207619 | Xiamen Biotime Biotechnology Co., Ltd. | Unknown class | |
| Cytokeratin 19 Fragment 21-1 Determination Kit (Fluorescence Immunochromatographic Assay) | 06942293581016 | Beijing Diagreat Biotechnologies Co., Ltd. | Class C | |
| Cytokeratin 19 Fragment (CYFRA21-1) Assay Kit (Chemiluminescent Immunoassay) | 06970522641941 | Sichuan Orienter Biotechnology Co., Ltd. | Unknown class | |
| Cytokeratin-19-fragment (CYFRA21-1) Detection Kit（Magnetic Solid Phase Chemiluminescent） | 06974969981363 | Biobase Diagnostic Technology (Shandong) Co., Ltd. | Unknown class | |
| Cytokeratin-19-fragment (CYFRA21-1) Detection Kit（Magnetic Solid Phase Chemiluminescent） | 06974969981936 | Biobase Diagnostic Technology (Shandong) Co., Ltd. | Unknown class | |
| Cytokeratin-19-fragment (CYFRA21-1) Detection Kit（Magnetic Solid Phase Chemiluminescent） | 06974969982506 | Biobase Diagnostic Technology (Shandong) Co., Ltd. | Unknown class | |
| Cytokeratin 19 Fragment (Cyfra21-1) Diagnostic Kit(Immunochromatographic Assay) | 06971348760120 | Shenzhen Microprofit Biotech Co., Ltd | Unknown class | |
UDI Compass