| Free T4 (FT4) Assay Reagent Kit (CMIA) | 06976753471012 | Hangzhou Cybereagen Biotech Co., Ltd. | Unknown class | |
| Free T4 (FT4) Rapid Test Kit (Fluorescence Immunochromatographic Assay) | 06974464591432 | Guangzhou Decheng Biotechnology Co., Ltd. | Unknown class | |
| Free T4 kit | 04251557100354 | Astra Biotech GmbH | Unknown class | |
| Free T4 kit | 04251557100361 | Astra Biotech GmbH | Unknown class | |
| Free T4 Test (Fluorescence Immunoassay) | 06979878281054 | Huzhou Jierunxin Biotechnology Co., LTD | Unknown class | |
| Free Tetraiodothyronine (FT4) Test Kit (Chemiluminescence) | 06921893003043 | Nanjing Norman Biological Technology Co., Ltd. | Unknown class | |
| Free Tetraiodothyronine (FT4) Test Kit (Chemiluminescence) | 06921893003050 | Nanjing Norman Biological Technology Co., Ltd. | Unknown class | |
| Free Tetraiodothyronine (FT4) Test Kit (Chemiluminescence) | 06921893005245 | Nanjing Norman Biological Technology Co., Ltd. | Unknown class | |
| Free thyroid hormone Assay Kit(Chemiluminescent Immunoassay) | 06980222383300 | Chengdu Illumaxbio Technology Co.,LTD | Unknown class | |
| Free thyroid hormone Assay Kit(Chemiluminescent Immunoassay) | 06980222383317 | Chengdu Illumaxbio Technology Co.,LTD | Unknown class | |
| Free Thyroxine Assay kit(Chemiluminescence Immunoassay Method） | 06978465230857 | Shenzhen Dake Medical Technology Co.,Ltd | Class B | |
| Free Thyroxine Assay kit(Chemiluminescence Immunoassay Method） | 06978465230901 | Shenzhen Dake Medical Technology Co.,Ltd | Class B | |
| Free Thyroxine Assay kit(Chemiluminescence Immunoassay Method） | 06978465237542 | Shenzhen Dake Medical Technology Co.,Ltd | Class B | |
| Free Thyroxine Assay kit(Chemiluminescence Immunoassay Method） | 06978465237559 | Shenzhen Dake Medical Technology Co.,Ltd | Class B | |
| Free Thyroxine Assay kit(Chemiluminescence Immunoassay Method） | 06978465237566 | Shenzhen Dake Medical Technology Co.,Ltd | Class B | |
| Free Thyroxine Assay Kit (Chemiluminescent Immunoassay) | 06955792701311 | Sansure Biotech Inc. | Unknown class | |
| Free Thyroxine Assay Kit (Chemiluminescent Immunoassay) | 06955792701328 | Sansure Biotech Inc. | Unknown class | |
| Free Thyroxine Chemiluminescence Immunoassay Kit | 06955792737426 | Sansure Biotech Inc. | Unknown class | |
| Free Thyroxine Chemiluminescence Immunoassay Kit | 06955792737433 | Sansure Biotech Inc. | Unknown class | |
| Free Thyroxine Chemiluminescence Immunoassay Kit | 06955792737440 | Sansure Biotech Inc. | Unknown class | |
| Free Thyroxine Chemiluminescence Immunoassay Kit | 06955792737457 | Sansure Biotech Inc. | Unknown class | |
| Free Thyroxine Chemiluminescence Immunoassay Kit | 06955792737464 | Sansure Biotech Inc. | Unknown class | |
| Free Thyroxine Chemiluminescence Immunoassay Kit | 06955792737471 | Sansure Biotech Inc. | Unknown class | |
| Free Thyroxine Chemiluminescence Immunoassay Kit | 06972719600649 | Nanjing RealMind Biotech Co., Ltd. | Unknown class | |
| Free Thyroxine Chemiluminescence Immunoassay Kit | 06972719602094 | Nanjing RealMind Biotech Co., Ltd. | Unknown class | |
| Free Thyroxine Chemiluminescence Immunoassay Kit | 06972719602100 | Nanjing RealMind Biotech Co., Ltd. | Unknown class | |
| Free Thyroxine Chemiluminescence Immunoassay Kit | 06972719602117 | Nanjing RealMind Biotech Co., Ltd. | Unknown class | |
| Free Thyroxine Chemiluminescence Immunoassay Kit | 06972719604289 | Nanjing RealMind Biotech Co., Ltd. | Unknown class | |
| Free Thyroxine Chemiluminescence Immunoassay Kit | 06972719604302 | Nanjing RealMind Biotech Co., Ltd. | Unknown class | |
| Free Thyroxine (CLIA) | 06926802606117 | MEDCAPTAIN MEDICAL TECHNOLOGY CO., LTD. | Unknown class | |
| Free Thyroxine (CLIA) | 06926802606124 | MEDCAPTAIN MEDICAL TECHNOLOGY CO., LTD. | Unknown class | |
| Free Thyroxine (CLIA) | 06926802606131 | MEDCAPTAIN MEDICAL TECHNOLOGY CO., LTD. | Unknown class | |
| Free Thyroxine (CLIA) | 06944904047638 | Shenzhen Mindray Bio-Medical Electronics Co., Ltd. | Class B | |
| Free Thyroxine (CLIA) | 06944904047843 | Shenzhen Mindray Bio-Medical Electronics Co., Ltd. | Class B | |
| Free Thyroxine CLIA Kit (Chemiluminescence Immunoassay) | 06942293590063 | Beijing Diagreat Biotechnologies Co., Ltd. | Class B | |
| Free Thyroxine Detection Kit (Chemiluminescence Immunoassay) | 06925794511799 | DIRUI INDUSTRIAL CO., LTD | Unknown class | |
| Free Thyroxine Detection Kit (Chemiluminescence Immunoassay) | 06925794519689 | DIRUI INDUSTRIAL CO., LTD | Unknown class | |
| Free Thyroxine Detection Kit (Chemiluminescence Immunoassay) | 06942202223884 | DIRUI INDUSTRIAL CO., LTD | Unknown class | |
| Free Thyroxine Determination Kit (Fluorescence Immunochromatographic Assay) | 06942293581023 | Beijing Diagreat Biotechnologies Co., Ltd. | Class B | |
| Free Thyroxine (FT4) Assay Kit (Chemiluminescent Immunoassay) | 06970522648827 | Sichuan Orienter Biotechnology Co., Ltd. | Unknown class | |
| Free Thyroxine (FT4) Assay Kit (Chemiluminescent Immunoassay) | 06974986813555 | Wuhan Life Origin Biotech Joint Stock Co., Ltd. | Unknown class | |
| Free Thyroxine (FT4) Assay Kit (Chemiluminescent Immunoassay) | 06974986813562 | Wuhan Life Origin Biotech Joint Stock Co., Ltd. | Unknown class | |
| Free Thyroxine (FT4) Assay Kit (Chemiluminescent Immunoassay) | 06974986814477 | Wuhan Life Origin Biotech Joint Stock Co., Ltd. | Unknown class | |
| Free Thyroxine (FT4) Chemiluminescence Quantitative Immunoassay Kit | 06954376012539 | Beijing Leadman Biochemistry Co., Ltd. | Unknown class | |
| Free Thyroxine (fT4) Detection Kit(CLIA) | 06974674892947 | Shenzhen Zijian Biotechnology Co., Ltd | Unknown class | |
| Free Thyroxine (fT4) Detection Kit(Fluorescence Immunoassay) | 06974674891582 | Shenzhen Zijian Biotechnology Co., Ltd | Unknown class | |
| Free Thyroxine（FT4）Detection Kit（Magnetic Solid Phase Chemiluminescent Immunoassay） | 06974969980984 | Biobase Diagnostic Technology (Shandong) Co., Ltd. | Unknown class | |
| Free Thyroxine（FT4）Detection Kit（Magnetic Solid Phase Chemiluminescent Immunoassay） | 06974969981554 | Biobase Diagnostic Technology (Shandong) Co., Ltd. | Unknown class | |
| Free Thyroxine（FT4）Detection Kit（Magnetic Solid Phase Chemiluminescent Immunoassay） | 06974969982124 | Biobase Diagnostic Technology (Shandong) Co., Ltd. | Unknown class | |
| Free Thyroxine (FT4) Determination Kit (Chemiluminescence Immunoassay) | 06976968300596 | Shenzhen Channel Biotechnology Co.,Ltd. | Unknown class | |
UDI Compass