| QXY — Oscillometric-Based, Over-The-Counter, Atrial Fibrillation Notification Feature | Class 2 / CV |
| QXZ — Adjunctive Epicardial Vascular Physiologic Status Indicator | Class 2 / CV |
| QYA — System For Detection Of Nucleic Acid From Non-Viral Microorganism(S) Causing Stis Using Specimens Collected At Home | Class 2 / MI |
| QYC — Container System For The Processing And Storage Of Red Blood Cell Components Under Reduced Oxygen Conditions | Class 2 / HE |
| QYD — Adalimumab Assay | Class 2 / TX |
| QYE — Reduced Ejection Fraction Machine Learning-Based Notification Software | Class 2 / CV |
| QYF — Neonatal Icu Continuous Non-Invasive Blood Pressure Monitor (Includes Alarms) | Class 2 / CV |
| QYI — Ablation Catheter, Renal Denervation | Class 3 / CV |
| QYJ — Dental Waterline Treatment Cartridge | Class 1 / DE |
| QYK — Semi-Automated Autologous Skin Graft Harvesting And Application Device | Class 2 / SU |
| QYM — Ophthalmic Needle | Class 2 / HO |
| QYN — Prescription Audiovisual Stimulator (Avs) For Temporary Pain Relief (Adjunctive Use) | Class 1 / NE |
| QYO — Hematopoietic Cell Enrichment Kit | Class 2 / MG |
| QYQ — Prosthesis, Total Talus Replacement With Soft Tissue Attachment Sites, Metal | Class f / OR |
| QYT — Over-The-Counter Covid-19 Antigen Test | Class 2 / MI |
| QYU — Infant Pulse Rate And Oxygen Saturation Monitor For Over-The-Counter Use | Class 2 / CV |
| QYV — Digital Cervical Cytology Slide Imaging System With Artificial Intelligence Algorithm | Class 2 / PA |
| QYW — Hospital Cardiac Telemetry | Class 2 / CV |
| QYX — Outpatient Cardiac Telemetry | Class 2 / CV |
| QYZ — At Home Intravaginal Insemination System | Class 2 / OB |
| QZA — Body Temperature Sensing Software | Class 2 / HO |
| QZB — Software Controlled Endoscope And Instrument Holder | Class 2 / SU |
| QZC — External Mechanical Stimulator For The Relief Of Congestion | Class 2 / EN |
| QZF — Gastrointestinal Capsule Endoscopy Analysis Software Device | Class 2 / GU |
| QZG — Menstrual Blood Collection Device | Class 2 / CH |
| QZH — Opioid Use Disorder Genetic Risk Variant Detection System And Collection Kit | Class 3 / TX |
| QZI — Percutaneous Cardiac Ablation Catheter For Treatment Of Atrial Fibrillation With Irreversible Electroporation | Class 3 / CV |
| QZJ — Immunohistochemistry Assay, Antibody, Claudin 18 | Class 3 / PA |
| QZK — Endovascular System For Treatment Of Thoracoabdominal And Pararenal Aortic Lesions | Class 3 / CV |
| QZL — Post-Ablation Tissue Response Prediction Software | Class 2 / RA |
| QZN — Multi-Photon Imaging | Class 2 / SU |
| QZO — Wearable Vibration Device For Orthopedic Use | Class 2 / OR |
| QZP — Camera, Ophthalmic, Non-Prescription | Class 2 / OP |
| QZS — Software-Aided Adjunctive Diagnostic Device For Use By Physicians On Lesions Suspicious For Skin Cancer | Class 2 / SU |
| QZT — Gowns And Other Apparel | Class N / HO |
| QZU — Temporary Embolization Assist Device, Peripheral | Class 2 / CV |
| QZV — Pediatric Extracorporeal Synthetic Semipermeable Membrane Cartridge For Acute Kidney Injury | Class 3 / HE |
| QZW — Over-The-Counter Device To Assess Risk Of Sleep Apnea | Class 2 / AN |
| QZX — Positive Blood Culture Processor For Inoculum Preparation Used For Antimicrobial Susceptibility Testing | Class 2 / MI |
| QZY — Spinal Fusion System With 12-Methacryloyloxydodecyl Pyridinium Bromide (C21h34brno2) Coating | Class 2 / OR |
| QZZ — Limb And Joint Salvage Device With Coating For Bacteria Reduction | Class 2 / OR |
| RAA — Laser Products (Pre-Standard) | Class N / |
| RAB — Sunlamp Products (Pre-Standard) | Class 2 / SU |
| RAC — Nondestructive Tests | Class N / |
| RAD — Gauging | Class N / |
| RAE — Ranging | Class N / |
| RAF — Cleaner | Class N / |
| RAG — Welder | Class N / |
| RAH — Jewelry Cleaner | Class N / |
| RAI — Motion Detector/Occupancy | Class N / |