- Gadobutrol, A9585
- Gadofosveset trisodium, A9583
- Gadoxetate disodium, A9581
- Gait trainer, E8000-E8002
- Gallium Ga67, A9556
- Gallium nitrate, J1457
- Galsulfase, J1458
- Gammagard liquid, J1569
- Gamma globulin, J1460, J1560
- Gammaplex, J1557
- Gamunex, J1561
- Ganciclovir, implant, J7310
- Ganciclovir sodium, J1570
- Garamycin, J1580
- Gas system
- compressed, E0424, E0425
- gaseous, E0430, E0431, E0441, E0443
- liquid, E0434-E0440, E0442, E0444
- Gauze
- impregnated, A6222-A6233, A6266
- non-impregnated, A6402-A6404
- Gefitinib, J8565
- Gel
- conductive, A4558
- pressure pad, E0185, E0196
- Gemcitabine HCl, not otherwise specified, J9201
- Infugem, J9198
- Gemtuzumab ozogamicin, J9203
- Generator
- ultrasonic with nebulizer, E0574 – E0575
- Gentamicin (Sulfate), J1580
- Glasses
- air conduction, V5070
- binaural, V5120-V5150
- bone conduction, V5080
- frames, V2020, V2025
- hearing aid, V5230
- Gloves, A4927
- Glucagon HCl, J1610
- Glucose monitor with integrated lancing/blood sample collection, E2101
- Glucose monitor with integrated voice synthesizer, E2100
- Glucose test strips, A4253, A4772
- Gluteal pad, L2650
- Glycopyrrolate, inhalation solution, concentrated, J7642
- Glycopyrrolate, inhalation solution, unit dose, J7643
- Gold sodium thiomalate, J1600
- Golimumab, J1602
- Gomco drain bottle, A4912
- Gonadorelin HCl, J1620
- Goserelin acetate implant (see also Implant), J9202
- Grab bar, trapeze, E0910, E0940
- Grade-aid, wheelchair, E0974
- Granisetron HCl, J1626
- XR, J1627
- Gravity traction device, E0941
- Gravlee jet washer, A4470