| QVS — Breast Implant Suction Retrieval Device | Class 2 / SU |
| QVT — Monitor For Opioid Induced Impairment Of Oxygenation | Class 2 / AN |
| QVU — High Throughput Dna Sequencing For Hereditary Cancer Predisposition Assessment Test System. | Class 2 / PA |
| QVV — Medial Knee Implanted Shock Absorber | Class 2 / OR |
| QVW — Generator, Measurement, And/Or Delivery System For Hyperpolarized Mr Imaging Agents And Accessories, Cder Or Cber-Led | Class N / RA |
| QVX — Skin Patch For Treatment Of Hyperhidrosis | Class 2 / SU |
| QVY — Therapeutic Vibrational Mattress Pad, Adjunct Use In Neonatal Abstinence Syndrome Or Neonatal Opioid Withdrawal Syndrome | Class 2 / HO |
| QWA — Cardiovascular Delivery Catheter System Positioning And Stabilization Device | Class 1 / CV |
| QWB — Over-The-Counter Molecular Test To Detect Sars-Cov-2 From Clinical Specimens | Class 2 / MI |
| QWC — Pulmonary Stent | Class 3 / CV |
| QWD — Stimulator, Nerve, For Restless Legs Syndrome | Class 2 / NE |
| QWE — Hyperoxia Monitoring Device Adjunct To Pulse Oximetry | Class 2 / AN |
| QWF — Tubing, Long Term Support Greater Than 6 Hours | Class 2 / CV |
| QWH — Prognostic Test For Development Or Progression Of Preeclampsia | Class 2 / TX |
| QWI — Computerized Behavioral Therapy Device For The Treatment Of Fibromyalgia Symptoms | Class 2 / PM |
| QWJ — Mesh, Surgical, Polymeric, Resorbable, Orthopedics, Reinforcement Of Ligament | Class 2 / OR |
| QWK — Prosthesis, Posterior Spinal Elements | Class 3 / OR |
| QWL — Intraoperative Surgical Angle Measurement Tool | Class 2 / OR |
| QWM — Stent Graft, Bypass, Superficial Femoral Artery | Class 3 / CV |
| QWN — Stent Graft, Infrapopliteal, Venous Arterialization | Class 3 / CV |
| QWO — Radiology Software For Referral Of Findings Related To Fibrotic Lung Disease. | Class 2 / RA |
| QWP — Optical Neurosurgical Nerve Locator | Class 2 / NE |
| QWQ — Assays To Detect Pre-Existing Antibodies To Adeno-Associated Virus (Aav) Viral Vectors | Class 3 / IM |
| QWR — Simple Point-Of-Care Device To Detect Sar-Cov-2 Nucleic Acid Targets From Clinical Specimens In Near-Patient Settings | Class 2 / MI |
| QWS — Foam Or Gel Chemical Sterilant/High Level Disinfectant | Class 2 / HO |
| QWT — Prognostic Assessment Software Of Mild Cognitive Impairment | Class 2 / NE |
| QWU — Prosthesis, Eyelid Spacer/Graft, Polymer | Class 2 / OP |
| QWW — Non-Medicated Topical Formulation For Treatment Of Erectile Dysfunction. | Class 2 / GU |
| QWX — Active Noise Attenuation System For Infant Incubators | Class 2 / HO |
| QWY — Mechanical And Enzymatic Autologous Skin Processor For Cell Suspension, For Stable Vitiligo, With Applicator | Class 3 / HE |
| QWZ — Prognostic Test For Assessment Of Chronic Kidney Disease Progression | Class 2 / CH |
| QXA — Lateral Flow Immunochromatography Assay For Host Biomarkers Of Respiratory Infection | Class 2 / MI |
| QXB — Drug Coated Prostatic Dilation Catheter For Benign Prostatic Hyperplasia | Class 3 / GU |
| QXC — Diabetes Digital Therapeutic Device | Class 2 / CH |
| QXD — Spinal Imaging System For Neuraxial Procedures | Class 2 / AN |
| QXG — Cooperative Powered Surgical Assist Device For Ent Surgery | Class 2 / EN |
| QXH — Gallbladder Drainage Stent And Delivery System | Class 2 / GU |
| QXJ — Whole Room Microbial Reduction Device | Class 2 / HO |
| QXL — Cabinet, Emission Computed Tomography System | Class 2 / RA |
| QXM — Implanted Tibial Electrical Urinary Continence Device | Class 2 / GU |
| QXN — Suction Anti-Choking Device As A Second-Line Treatment | Class 2 / EN |
| QXO — Cardiovascular Machine Learning-Based Notification Software | Class 2 / CV |
| QXQ — Respiratory Accessory Microbial Reduction Device. | Class 2 / HO |
| QXR — Vaginal Hydrogel Packing System | Class 2 / RA |
| QXS — Chromogranin A | Class 2 / IM |
| QXT — Infliximab Test System | Class 2 / TX |
| QXU — Esophageal Protection Device For Use In Percutaneous Cardiac Catheter Ablation Procedures, Mechanical Deviation | Class 2 / CV |
| QXV — Temperature Regulation Device For Esophageal Protection During Cardiac Ablation | Class 2 / CV |
| QXW — Cryoablation Device For Local Treatment Of Low-Risk Breast Cancer | Class 2 / SU |
| QXX — Coronary Artery Disease Machine Learning-Based Notification Software | Class 2 / CV |