| NOO — Clamp, Dialysis Arm | Class 1 / GU |
| NOP — Elisa, Antibody, West Nile Virus | Class 2 / MI |
| NOT — Microscope, Automated, Image Analysis, Operator Intervention | Class 2 / PA |
| NOU — Continuous, Ventilator, Home Use | Class 2 / AN |
| NOV — Anchor, Suture, Bone Fixation, Metallic | Class 2 / OR |
| NOX — Filler, Bone Void, Synthetic Peptide | Class 3 / OR |
| NOY — Agents, Embolic, For Treatment Of Benign Prostatic Hyperplasia | Class 2 / GU |
| NOZ — Assay, 1,5-Anhydroglucitol (15ag) | Class 2 / HE |
| NPB — System, Monitoring, For Progress Of Labor | Class 2 / OB |
| NPE — Material, Embolization, Neurovascular, Polymerizing Or Precipitating | Class 3 / NE |
| NPF — Monitor, Apnea, Home Use | Class 2 / AN |
| NPG — Catheter, Infusion, Syringe | Class 2 / CV |
| NPH — Antigen, Cartilage Oligomeric Matrix Protein (Comp) | Class 2 / IM |
| NPJ — Prosthesis, Knee Patellofemorotibial, Partial, Semi-Constrained, Cemented, Polymer/Metal/Polymer | Class 2 / OR |
| NPK — Barrier, Synthetic, Intraoral | Class 2 / DE |
| NPL — Barrier, Animal Source, Intraoral | Class 2 / DE |
| NPM — Bone Grafting Material, Animal Source | Class 2 / DE |
| NPO — Kit, Immunochromatographic, Bacillus Anthracis Differential Antibody | Class 2 / MI |
| NPP — Reprocessed Blood Pressure Cuff | Class 2 / CV |
| NPQ — Test, Factor V Leiden Mutations, Genomic Dna Pcr | Class 2 / PA |
| NPR — Test, Factor Ii G20210a Mutations, Genomic Dna Pcr | Class 2 / PA |
| NPS — Tricuspid Valve Repair Device, Percutaneously Delivered | Class 3 / CV |
| NPT — Aortic Valve, Prosthesis, Percutaneously Delivered | Class 3 / CV |
| NPU — Prosthesis, Mitral Valve, Percutaneously Delivered | Class 3 / CV |
| NPV — Pulmonary Valve Prosthesis Percutaneously Delivered | Class f / CV |
| NPW — Percutaneously Delivered Prostheses And Tricuspid Valves | Class 3 / CV |
| NPZ — Bone Grafting Material, Dental, With Biologic Component | Class 3 / DE |
| NQA — Biologic Material, Dental | Class 3 / DE |
| NQB — Conformer, Ophthalmic, Biological Tissue | Class 2 / OP |
| NQC — Test, Breath Analysis, Volatile Organic Compounds | Class f / CH |
| NQD — Cardiac C-Reactive Protein, Antigen, Antiserum, And Control | Class 2 / IM |
| NQE — Microscope, Specular | Class 2 / OP |
| NQF — Immunohistochemistry Assay, Antibody, Epidermal Growth Factor Receptor | Class 3 / PA |
| NQG — Stabilizer, Heart, Non-Compression, Reprocessed | Class 1 / CV |
| NQH — Sensor, Pressure, Aneurysm, Implantable | Class 2 / CV |
| NQI — System, Immunomagnetic, Circulating Cancer Cell, Enumeration | Class 2 / PA |
| NQJ — Catheter, Hemodialysis, Non-Implanted, Ultrafiltration, For Peripheral Use | Class 2 / GU |
| NQK — Maggots, Medical | Class U / SU |
| NQL — System, Test, Amino Acids, Free Carnitines And Acylcarnitines Tandem Mass Spectrometry | Class 2 / CH |
| NQM — Immunoassay For Detection Of Amniotic Fluid Protein(S). | Class 1 / CH |
| NQN — Microscope, Automated, Image Analysis, Immunohistochemistry,Operator Intervention,Nuclear Intensity & Percent Positivity | Class 2 / PA |
| NQO — Prosthesis, Spinous Process Spacer/Plate | Class 3 / OR |
| NQP — Posterior Metal/Polymer Spinal System, Fusion | Class 2 / OR |
| NQQ — System, Imaging, Optical Coherence Tomography (Oct) | Class 2 / SU |
| NQR — Sealant, Dural | Class 3 / NE |
| NQS — Bracket, Metal, Orthodontic, Reprocessed | Class 1 / DE |
| NQT — Dislodger, Stone, Flexible, Ureteral, Reprocessed | Class 2 / GU |
| NQU — Dislodger, Stone, Basket, Ureteral, Metal, Reprocessed | Class 2 / GU |
| NQV — Catheter, Suction, Tracheobronchial, Reprocessed | Class 1 / AN |
| NQW — Orthosis, Spine, Plate, Laminoplasty, Metal | Class 2 / OR |