| TBI | Total Body Irradiation |
|---|---|
| TBI | thyroid-binding index; thyroxine-binding index; tooth-brushing instruction; total-body irradiation; traumatic brain injury |
| TBII | TSH Binding Inhibiting(= Inhibition) Immunoglobulin |
| TBII | thyroid-stimulating hormone-binding inhibitory immunoglobulin |