| Jack PCL Brace S/XS left | 04251406609960 | albrecht GmbH | Class I | |
| Jack PCL Brace S/XS right | 04251406609977 | albrecht GmbH | Class I | |
| JAS GL Knee Extension Left | 00810143500134 | Joint Active Systems, Inc. | Class I | |
| JAS GL Knee Extension Right | 00810143500141 | Joint Active Systems, Inc. | Class I | |
| JAS GL Knee, Flexion, Slotted | 00810143500165 | Joint Active Systems, Inc. | Class I | |
| Jasper KNEE SUPPORTER | 04715065005018 | Ta Lai Sporting Goods Enterprises Co., Ltd. | Class I | |
| JEDNOSZYNOWA ORTEZA STAWU KOLANOWEGO „MONOMAX” | 05903940712345 | REHA FUND Sp. z o.o. | Class I | |
| JEDNOSZYNOWA ORTEZA STAWU KOLANOWEGO „MONOMAX” | 05903940712352 | REHA FUND Sp. z o.o. | Class I | |
| JET BLACK, COMB INST, LT L | 00672736118276 | Breg, Inc. | Class I | |
| JET BLACK, COMB INST, LT M | 00672736118269 | Breg, Inc. | Class I | |
| JET BLACK, COMB INST, LT S | 00672736118252 | Breg, Inc. | Class I | |
| JET BLACK, COMB INST, LT XL | 00672736118283 | Breg, Inc. | Class I | |
| JET BLACK, COMB INST, RT L | 00672736118313 | Breg, Inc. | Class I | |
| JET BLACK, COMB INST, RT M | 00672736118306 | Breg, Inc. | Class I | |
| JET BLACK, COMB INST, RT S | 00672736118290 | Breg, Inc. | Class I | |
| JET BLACK, COMB INST, RT XL | 00672736118320 | Breg, Inc. | Class I | |
| JET BLK LT L | 00672736075630 | Breg, Inc. | Class I | |
| JET BLK LT M | 00672736075609 | Breg, Inc. | Class I | |
| JET BLK LT S | 00672736075579 | Breg, Inc. | Class I | |
| JET BLK LT XL | 00672736075661 | Breg, Inc. | Class I | |
| JET BLK RT L | 00672736075753 | Breg, Inc. | Class I | |
| JET BLK RT M | 00672736075722 | Breg, Inc. | Class I | |
| JET BLK RT S | 00672736075692 | Breg, Inc. | Class I | |
| JET BLK RT XL | 00672736075784 | Breg, Inc. | Class I | |
| JET, CUSTOM | 00672736075562 | Breg, Inc. | Class I | |
| JET GREEN, COMB INST, LT L | 00672736118115 | Breg, Inc. | Class I | |
| JET GREEN, COMB INST, LT M | 00672736118108 | Breg, Inc. | Class I | |
| JET GREEN, COMB INST, LT S | 00672736118092 | Breg, Inc. | Class I | |
| JET GREEN, COMB INST, RT L | 00672736118153 | Breg, Inc. | Class I | |
| JET GREEN, COMB INST, RT M | 00672736118146 | Breg, Inc. | Class I | |
| JET GREEN, COMB INST, RT S | 00672736118139 | Breg, Inc. | Class I | |
| JET GREEN LT L | 00672736143964 | Breg, Inc. | Class I | |
| JET GREEN LT M | 00672736075616 | Breg, Inc. | Class I | |
| JET GREEN LT S | 00672736075586 | Breg, Inc. | Class I | |
| JET GREEN LT XL | 00672736143971 | Breg, Inc. | Class I | |
| JET GREEN RT L | 00672736144015 | Breg, Inc. | Class I | |
| JET GREEN RT M | 00672736143995 | Breg, Inc. | Class I | |
| JET GREEN RT S | 00672736143988 | Breg, Inc. | Class I | |
| JET GREEN RT XL | 00672736144022 | Breg, Inc. | Class I | |
| JET PINK LT L | 00672736075654 | Breg, Inc. | Class I | |
| JET PINK LT S | 00672736075593 | Breg, Inc. | Class I | |
| JET PINK LT XL | 00672736075685 | Breg, Inc. | Class I | |
| JET PINK RT L | 00672736075777 | Breg, Inc. | Class I | |
| JET PINK RT M | 00672736144008 | Breg, Inc. | Class I | |
| JET PINK RT S | 00672736075715 | Breg, Inc. | Class I | |
| JET PINK RT XL | 00672736075807 | Breg, Inc. | Class I | |
| JK-1 (knee support) L | 04946452068709 | Nippon Sigmax Co., Ltd. | Class I | |
| JK-1 (knee support) M | 04946452068693 | Nippon Sigmax Co., Ltd. | Class I | |
| JK-1 (knee support) S | 04946452068686 | Nippon Sigmax Co., Ltd. | Class I | |
| JK-1 (knee support) XS | 04946452068679 | Nippon Sigmax Co., Ltd. | Class I | |
UDI Compass