| BRT — Restraint, Patient, Conductive | Class 1 / HO |
| BRW — Protector, Dental | Class 1 / AN |
| BRX — Stool, Anesthesia | Class 1 / AN |
| BRY — Cabinet, Table And Tray, Anesthesia | Class 1 / AN |
| BRZ — Set, Blood Transfusion | Class 2 / HO |
| BSA — Warmer, Blood, Electromagnetic Radiation | Class 3 / HE |
| BSB — Warmer, Blood, Non-Electromagnetic Radiation | Class 2 / HE |
| BSD — Analyzer, Gas, Nitrogen, Partial Pressure, Blood-Phase, Non-Indwelling | Class 3 / AN |
| BSE — Analyzer, Gas, Helium, Gaseous-Phase | Class 2 / AN |
| BSF — Absorber, Carbon-Dioxide | Class 1 / AN |
| BSI — Algesimeter, Powered | Class 2 / AN |
| BSJ — Mask, Gas, Anesthetic | Class 1 / AN |
| BSK — Cuff, Tracheal Tube, Inflatable | Class 2 / AN |
| BSN — Filter, Conduction, Anesthetic | Class 2 / AN |
| BSO — Catheter, Conduction, Anesthetic | Class 2 / AN |
| BSP — Needle, Conduction, Anesthetic (W/Wo Introducer) | Class 2 / AN |
| BSR — Stylet, Tracheal Tube | Class 1 / AN |
| BSS — Tube, Nasogastric | Class 2 / GU |
| BST — Curette, Biopsy, Bronchoscope (Non-Rigid) | Class 2 / EN |
| BSY — Catheters, Suction, Tracheobronchial | Class 1 / AN |
| BSZ — Gas-Machine, Anesthesia | Class 2 / AN |
| BTA — Pump, Portable, Aspiration (Manual Or Powered) | Class 2 / SU |
| BTB — Hook, Ether | Class 1 / AN |
| BTC — Bag, Reservoir | Class 1 / AN |
| BTG — Brush, Biopsy, Bronchoscope (Non-Rigid) | Class 2 / EN |
| BTI — Compressor, Air, Portable | Class 2 / AN |
| BTK — Strap, Head, Gas Mask | Class 1 / AN |
| BTL — Ventilator, Emergency, Powered (Resuscitator) | Class 2 / AN |
| BTM — Ventilator, Emergency, Manual (Resuscitator) | Class 2 / AN |
| BTO — Tube, Tracheostomy (W/Wo Connector) | Class 2 / AN |
| BTP — Dropper, Ether | Class 1 / AN |
| BTQ — Airway, Nasopharyngeal | Class 1 / AN |
| BTR — Tube, Tracheal (W/Wo Connector) | Class 2 / AN |
| BTS — Tube, Bronchial (W/Wo Connector) | Class 2 / AN |
| BTT — Humidifier, Respiratory Gas, (Direct Patient Interface) | Class 2 / AN |
| BTX — Board, Arm (With Cover), Sterile | Class 1 / SU |
| BTY — Calculator, Predicted Values, Pulmonary Function | Class 2 / AN |
| BWA — Unit, Electrosurgical And Coagulation, With Accessories | Class 2 / SU |
| BWB — Forceps, Tube Introduction | Class 1 / AN |
| BWC — Needle, Emergency Airway | Class 2 / AN |
| BWF — Spirometer, Therapeutic (Incentive) | Class 2 / AN |
| BWH — Forceps, Biopsy, Bronchoscope (Non-Rigid) | Class 2 / EN |
| BWJ — Locator, Acupuncture Point | Class 2 / HO |
| BWK — Stimulator, Electro-Acupuncture | Class U / NE |
| BWL — Apparatus, Electronanesthesia | Class 3 / AN |
| BWN — Table And Attachments, Operating-Room | Class 1 / SU |
| BWP — Shoe And Shoe Cover, Conductive | Class 1 / SU |
| BXA — Analyzer, Gas, Water Vapor, Gaseous-Phase | Class 1 / AN |
| BXB — Exerciser, Powered | Class 1 / PM |
| BXH — Gauge, Gas Pressure, Cylinder/Pipeline | Class 1 / AN |