| HRN — Unit, Cryophthalmic, Ac-Powered | Class 2 / OP |
| HRO — Unit, Electrolysis, Ac-Powered, Ophthalmic | Class 2 / OP |
| HRP — Pen, Marking, Surgical | Class 1 / OP |
| HRQ — Hemostat | Class 1 / SU |
| HRR — Scissors, Orthopedic, Surgical | Class 1 / OR |
| HRS — Plate, Fixation, Bone | Class 2 / OR |
| HRT — Stripper, Surgical | Class 1 / OR |
| HRW — Dynamometer, Nonpowered | Class 1 / NE |
| HRX — Arthroscope | Class 2 / OR |
| HRY — Prosthesis, Knee, Femorotibial, Semi-Constrained, Cemented, Metal/Polymer | Class 2 / OR |
| HRZ — Prosthesis, Knee, Hinged (Metal-Metal) | Class 3 / OR |
| HSA — Prosthesis, Knee, Hemi-, Femoral | Class 3 / OR |
| HSB — Rod, Fixation, Intramedullary And Accessories | Class 2 / OR |
| HSD — Prosthesis, Shoulder, Hemi-, Humeral, Metallic Uncemented | Class 2 / OR |
| HSH — Prosthesis, Knee, Hemi-, Tibial, Resurfacing (Uncemented) | Class 2 / OR |
| HSN — Prosthesis, Ankle, Semi-Constrained, Cemented, Metal/Polymer | Class 2 / OR |
| HSO — Saw | Class 1 / SU |
| HSP — Splint, Traction | Class 1 / OR |
| HSQ — Belt, Pelvic, Traction | Class 1 / OR |
| HSR — Unit, Traction, Hip, Non-Powered, Non-Penetrating | Class 1 / OR |
| HSS — Halter, Head, Traction | Class 1 / PM |
| HST — Apparatus, Traction, Non-Powered | Class 1 / NE |
| HSX — Prosthesis, Knee, Femorotibial, Non-Constrained, Cemented, Metal/Polymer | Class 2 / OR |
| HSZ — Instrument, Surgical, Orthopedic, Pneumatic Powered & Accessory/Attachment | Class 1 / OR |
| HTC — Pliers, Surgical | Class 1 / SU |
| HTD — Forceps | Class 1 / SU |
| HTE — Elevator | Class 1 / SU |
| HTF — Curette | Class 1 / SU |
| HTG — Prosthesis, Knee, Hemi-, Patellar Resurfacing, Uncemented | Class 2 / OR |
| HTH — Protractor | Class 1 / OR |
| HTJ — Gauge, Depth | Class 1 / OR |
| HTM — Stimulator, Osteogenesis, Electric, Battery-Operated, Invasive | Class 3 / OR |
| HTN — Washer, Bolt Nut | Class 2 / OR |
| HTO — Reamer | Class 1 / OR |
| HTP — File | Class 1 / OR |
| HTQ — Broach | Class 1 / OR |
| HTR — Rasp | Class 1 / SU |
| HTS — Knife, Orthopedic | Class 1 / OR |
| HTT — Burr, Orthopedic | Class 1 / OR |
| HTW — Bit, Drill | Class 1 / OR |
| HTX — Rongeur | Class 1 / OR |
| HTY — Pin, Fixation, Smooth | Class 2 / OR |
| HTZ — Instrument, Cutting, Orthopedic | Class 1 / SU |
| HWA — Impactor | Class 1 / OR |
| HWB — Extractor | Class 1 / OR |
| HWC — Screw, Fixation, Bone | Class 2 / OR |
| HWD — Starter, Bone Screw | Class 1 / OR |
| HWE — Instrument, Surgical, Orthopedic, Ac-Powered Motor And Accessory/Attachment | Class 1 / OR |
| HWF — Prosthesis, Ligament | Class 3 / OR |
| HWI — Corkscrew | Class 1 / OR |