| SEN — Biofeedback For Adjunctive Treatment Of Symptoms Associated With Stress And Anxiety | Class 2 / NE |
| SEP — Device For Home Collection And Transport Of Vaginal Specimens By Lay Users For Use In An Approved Hpv Molecular Assay | Class 2 / MI |
| SEQ — Covered Stent Vascular Connector, Hemodialysis Access Circuit | Class 3 / CV |
| SER — Immunohistochemistry Assay, Antibody, Met | Class 3 / PA |
| SES — Non-Factor Replacement Product Test System | Class 2 / HE |
| SET — Immunoassay Blood Test For Amyloid Pathology Assessment | Class 2 / IM |
| SEU — Peripheral Temporary And Retrievable Stent System | Class 2 / CV |
| SEW — Automated Endoscope Channel Cleaner | Class 2 / HO |
| SEZ — Radiological Software Device To Predict Future Breast Cancer Risk | Class 2 / RA |
| SFA — Prosthesis, Finger, Semi-Constrained, Metal/Polymer | Class 3 / OR |
| SFC — Neurologic Disease Risk Assessment Molecular Test | Class 2 / IM |
| SFD — In Situ Polymerizing Peripheral Nerve Repair Device | Class 2 / NE |
| SFE — Endoscopic Video Imaging System / Software Component For Real Time Video Augmentation | Class 2 / SU |
| SFG — Camera, Surgical, Measurement | Class 1 / SU |
| SFH — Pathology Software Algorithm Device Analyzing Digital Images For Cancer Prognosis | Class 2 / PA |
| SFI — Sensor, Glucose, Invasive, Component Of Automated Insulin Delivery System | Class 3 / CH |
| SFJ — Vagus Nerve Stimulator For Rheumatoid Arthritis | Class 3 / NE |
| SFK — Respiratory Effort Belt For Polysomnography | Class 2 / AN |
| SFL — Nucleic Acid Based Assay, Microsatellite Instability | Class 3 / PA |
| SFN — Non-Invasive Evoked Response Brain Stimulator | Class 2 / NE |
| SFO — Electrode Measurement, Drain Effluent Ph | Class 2 / CH |
| SFP — Ventilator-Compatible Nebulizer | Class 2 / AN |
| SFQ — Electrosurgical, Cutting & Coagulation & Accessories, For Cardiac Electrophysiology Device Implantation And Revision | Class 2 / CV |
| SFR — Hypertension Machine Learning-Based Notification Software | Class 2 / CV |
| SFS — Revumenib Eligibility Detection System | Class 2 / PA |
| SFU — Glucose Range Monitoring System | Class 2 / CH |
| SFV — X-Ray, Computed Tomography, Cone-Beam | Class 2 / RA |
| SFW — Cranial Electrotherapy Stimulator For Weight Management | Class 1 / GU |
| SGA — Biothreat Microbial Agent Nucleic Acid Detection Test | Class 2 / MI |
| SGB — Pain Assessment Software In Non-Communicative Adults | Class 2 / NE |
| SGD — Kit D816v Mutation Detection System | Class f / PA |
| SGE — Extracranial Positional System For A Transcranial Magnetic Stimulation System | Class 2 / NE |
| SGF — Dural Arteriovenous Fistula Liquid Embolic | Class f / NE |
| SGG — Mass Spectrometric, Immunoglobulins (G, A, M, D, E) | Class 2 / IM |
| SGH — Ultrasound Imaging For Vascular Access For Hemodialysis | Class 2 / GU |
| SGJ — Ultrasound Imaging System For Acquiring Images At Home By Lay Users | Class 2 / RA |
| SGK — Prosthesis, Spinous Process Tension Band Implant | Class 3 / OR |
| SGL — Manual Instruments Designed For Use With Non-Fusion Spinous Process Tension Band Implant | Class 2 / OR |
| SGN — High Intensity Focused Ultrasound System For Peripheral Neural Tissue Ablation | Class 2 / NE |
| SGO — Percutaneous Catheter For Electrosurgical Cutting Heart Valve Leaflets Concomitant To Transcatheter Valve Procedures | Class 2 / CV |
| SGQ — Intraoral Phototherapy Device | Class 2 / DE |
| SGR — Noninvasive Positive Airway Pressure System, Facility Use | Class 2 / AN |
| SGS — Deep Brain Stimulation For The Treatment Of Dystonia | Class 3 / NE |
| SGT — Electromagnetic Stimulator For Healthy Muscle Stimulation | Class 2 / PM |
| SGU — Neurovascular Liquid Embolic Agent | Class 3 / NE |
| SGV — Agent, Absorbable Hemostatic, Collagen With Polymeric Additives | Class 3 / SU |
| SGW — Device To Detect Antibodies To Hepatitis D Virus | Class 2 / MI |
| SGX — Ultraviolet Light-Based Microbial Reduction Device For Luer-Activated Valves | Class 2 / HO |
| SGY — Hypothermic Machine Perfusion System And Accessories For Orthotopic Liver Transplant | Class 2 / GU |
| SGZ — Ultraviolet Lamp Products | Class 2 / SU |