| HAW — Neurological Stereotaxic Instrument | Class 2 / NE |
| HAX — Tong, Skull For Traction | Class 2 / NE |
| HBA — Neurosurgical Paddie | Class 2 / NE |
| HBB — Motor, Drill, Pneumatic | Class 2 / NE |
| HBC — Motor, Drill, Electric | Class 2 / NE |
| HBD — Handpiece (Brace), Drill | Class 1 / NE |
| HBE — Drills, Burrs, Trephines & Accessories (Simple, Powered) | Class 2 / NE |
| HBF — Drills, Burrs, Trephines & Accessories (Compound, Powered) | Class 2 / NE |
| HBG — Drills, Burrs, Trephines & Accessories (Manual) | Class 2 / NE |
| HBI — Illuminator, Fiberoptic, Surgical Field | Class 2 / SU |
| HBK — Chair, Pneumoencephalographic | Class 2 / RA |
| HBL — Holder, Head, Neurosurgical (Skull Clamp) | Class 2 / NE |
| HBM — Headrest, Neurosurgical | Class 1 / NE |
| HBN — Chair, Neurosurgical | Class 1 / NE |
| HBO — Clip, Scalp | Class 2 / NE |
| HBP — Clip, Implanted Malleable | Class 2 / NE |
| HBQ — Instrument, Clip Removal | Class 1 / NE |
| HBR — Rack, Clip | Class 1 / NE |
| HBS — Instrument, Clip Forming/Cutting | Class 1 / NE |
| HBT — Applier, Hemostatic Clip | Class 1 / SU |
| HBW — Fastener, Plate, Cranioplasty | Class 2 / NE |
| HBX — Instrument, Cranioplasty Material Forming | Class 1 / NE |
| HBZ — Catheter, Intravascular Occluding | Class 3 / NE |
| HCA — Catheter, Ventricular | Class 2 / NE |
| HCB — Device, Aversive Conditioning | Class 2 / NE |
| HCC — Device, Biofeedback | Class 2 / NE |
| HCD — Cannula, Ventricular | Class 1 / NE |
| HCE — Clamp, Carotid Artery | Class 2 / NE |
| HCF — Instrument, Ligature Passing And Knot Tying | Class 1 / SU |
| HCG — Device, Neurovascular Embolization | Class 2 / NE |
| HCH — Clip, Aneurysm | Class 2 / NE |
| HCI — Applier, Aneurysm Clip | Class 2 / NE |
| HCJ — Device, Skin Potential Measurement | Class 2 / NE |
| HCS — Device, Temperature Measurement, Direct Contact, Powered | Class 2 / NE |
| HCY — Curette, Uterine | Class 1 / OB |
| HCZ — Forceps, Surgical, Gynecological | Class 2 / OB |
| HDA — Forceps, Obstetrical | Class 2 / OB |
| HDB — Extractor, Vacuum, Fetal | Class 2 / OB |
| HDC — Tenaculum, Uterine | Class 2 / OB |
| HDD — Table, Obstetrical, Ac-Powered (And Accessories) | Class 2 / OB |
| HDE — Hook, Fibroid, Gynecological | Class 1 / OB |
| HDF — Speculum, Vaginal, Metal | Class 1 / OB |
| HDG — Speculum, Vaginal, Metal, Fiberoptic | Class 1 / OB |
| HDH — Needle, Cerclage, Gynecological | Class 1 / OB |
| HDI — Hook, Destructive, Obstetrical | Class 2 / OB |
| HDJ — Scissors, Umbilical | Class 1 / OB |
| HDK — Scissors, Episiotomy | Class 1 / OB |
| HDL — Retractor, Vaginal | Class 1 / OB |
| HDM — Packer, Uterine | Class 1 / OB |
| HDN — Dilator, Cervical, Expandable | Class 3 / OB |