| FT3 rapid test cassette (Rare earth nano fluorescence immunochromatography) | 06974323013211 | Beijing Applied Biological Technologies Co., Ltd. | Unknown class | |
| FT4 Assay kit CLIA | 06974521004141 | Shenzhen Superbio Technology Co.,Ltd. | Unknown class | |
| FT4 Assay kit CLIA | 06974521004158 | Shenzhen Superbio Technology Co.,Ltd. | Unknown class | |
| FT4 Assay Kit (Fluorescence Immunoassay) | 06975424223554 | DiYaLab ZJG Biotech Co., Ltd | Unknown class | |
| FT4 Assay Kit (Fluorescence Immunoassay) | 06975424225954 | DiYaLab ZJG Biotech Co., Ltd | Unknown class | |
| FT4 CLIA | 06942609200839 | Guangzhou KOFA Biotechnology Co., Ltd. | Unknown class | |
| FT4 CLIA | 06942609200846 | Guangzhou KOFA Biotechnology Co., Ltd. | Unknown class | |
| FT4 CLIA | 06942609200853 | Guangzhou KOFA Biotechnology Co., Ltd. | Unknown class | |
| FT4 CLIA | 06942609200860 | Guangzhou KOFA Biotechnology Co., Ltd. | Unknown class | |
| FT4 CLIA | 06942609203526 | Guangzhou KOFA Biotechnology Co., Ltd. | Unknown class | |
| FT4 CLIA | 06942609203533 | Guangzhou KOFA Biotechnology Co., Ltd. | Unknown class | |
| FT4 CLIA | 06942609203540 | Guangzhou KOFA Biotechnology Co., Ltd. | Unknown class | |
| FT4 CLIA | 06942609203557 | Guangzhou KOFA Biotechnology Co., Ltd. | Unknown class | |
| FT4 CLIA Microparticles | 06942359541664 | Autobio Diagnostics Co., Ltd. | Class B | |
| FT4 CLIA Microparticles | 06942359541688 | Autobio Diagnostics Co., Ltd. | Class B | |
| FT4 ELISA | 04049325002050 | IBL International GmbH | Unknown class | |
| FT4 ELISA | 08034049110385 | Dia.Metra Srl | Unknown class | |
| fT4 Fast Test Kit (Immunofluorescence Assay) | 06954414702569 | Getein Biotech, Inc. | Unknown class | |
| fT4 Fast Test Kit (Immunofluorescence Assay) | 06954414724059 | Getein Biotech, Inc. | Class B | |
| FT4 FIA | 06977903345917 | GeneSign Biotech (Xiamen)Co., Ltd. | Unknown class | |
| FT4 FIA | 06977903345924 | GeneSign Biotech (Xiamen)Co., Ltd. | Unknown class | |
| FT4 Fluorescent Immunochromatographic Assay (FIA) Kit | 06978907680509 | Hebei Sanxin Pharmaceutical Technology Co., Ltd. | Unknown class | |
| FT4 (Free Thyroxine) Rapid Quantitative Test | 06975679490374 | Hunan Ehome Health Technology Co., Ltd. | Unknown class | |
| fT4 HumaCLIA SR | 04033145207733 | Human Gesellschaft für Biochemica und Diagnostica mbH | Unknown class | |
| fT4 HumaFIA SR | 06976343800383 | Beijing HumaDX Tech Co., Ltd. | Unknown class | |
| FT4 Immunofluorescence Assay | 06975599467128 | Guangzhou KOFA Biotechnology Co., Ltd. | Unknown class | |
| FT4 Immunofluorescence Assay | 06975599467135 | Guangzhou KOFA Biotechnology Co., Ltd. | Unknown class | |
| FT4 Immunofluorescence Assay | 06975599467142 | Guangzhou KOFA Biotechnology Co., Ltd. | Unknown class | |
| FT4 Immunofluorescence Assay | 06975599467180 | Guangzhou KOFA Biotechnology Co., Ltd. | Unknown class | |
| FT4 Immunofluorescence Assay | 06975599467197 | Guangzhou KOFA Biotechnology Co., Ltd. | Unknown class | |
| FT4 Immunofluorescence Assay | 06975599467203 | Guangzhou KOFA Biotechnology Co., Ltd. | Unknown class | |
| FT4 Plus RIA | 15099590774165 | IMMUNOTECH s.r.o. | Class B | |
| FT4 Plus RIA | 15099590774172 | IMMUNOTECH s.r.o. | Class B | |
| fT4 Rapid Quantitative Test | 06977565582446 | Coei Biotech Co.Ltd. | Unknown class | |
| FT4 Rapid Quantitative Test | 06933260208081 | Xiamen Biotime Biotechnology Co., Ltd. | Unknown class | |
| FT4 rapid test cassette (Rare earth nano fluorescence immunochromatography) | 06974323013228 | Beijing Applied Biological Technologies Co., Ltd. | Unknown class | |
| FT4 rapid test cassette (Rare earth nano fluorescence immunochromatography) | 06974323013235 | Beijing Applied Biological Technologies Co., Ltd. | Unknown class | |
| FT4 rapid test cassette (Rare earth nano fluorescence immunochromatography) | 06974323013242 | Beijing Applied Biological Technologies Co., Ltd. | Unknown class | |
| FT4 Rapid Test Kit | 06973861683764 | Anbio (Xiamen) Biotechnology Co.,Ltd. | Unknown class | |
| fT4 Rapid Test Kit (QDs Immunofluorescence Method) | 26974969791119 | Chongqing iSIA BIO-Technology Co., Ltd. | Unknown class | |
| fT4 Rapid Test Kit (QDs Immunofluorescence Method) | 36974969791116 | Chongqing iSIA BIO-Technology Co., Ltd. | Unknown class | |
| FT4 RIA KIT | 15099590214326 | IMMUNOTECH s.r.o. | Class B | |
| FT4 RIA KIT | 15099590218942 | IMMUNOTECH s.r.o. | Class B | |
| fT4 Test (FIA) | 06978139071281 | Shenzhen Lifotronic Technology Co., Ltd. | Unknown class | |
| FT4 Test Kit (Dry Fluorescence Immunoassay) | 06975388111737 | Lansion Biotechnology Co., Ltd. | Unknown class | |
| FT4 Test Kit (Dry Fluorescence Immunoassay) | 06978669681394 | Shenzhen Ukin Biotech Co.,Ltd. | Unknown class | |
| HOKAPI™ FT4 | 06939716404755 | Suzhou Hokapi Biomedical Engineering Co., Ltd.. | Class B | |
| HOKAPI™ FT4 | 06939716404762 | Suzhou Hokapi Biomedical Engineering Co., Ltd.. | Class B | |
| HOKAPI™ FT4 | 06971390434833 | Suzhou Hokapi Biomedical Engineering Co., Ltd.. | Class B | |
| HOKAPI™ FT4 | 06971390434840 | Suzhou Hokapi Biomedical Engineering Co., Ltd.. | Class B | |
UDI Compass