| AIT | autoimmune thyroiditis |
| Dx | deiodinase |
| fT3 | free triiodothyronine |
| fT4 | free thyroxine |
| GD | Graves’ disease |
| GO | Graves’ ophthalmopathy |
| GPx | glutathione peroxidase |
| HT | Hashimoto’s thyroiditis |
| rT3 | reverse T3 |
| Se | selenium |
| SECIS | SeCys insertion sequence |
| SeCys | selenocysteine |
| SeMet | selenomethionine |
| SEPP1 | selenoprotein P |
| T2D | type 2 diabetes |
| T3 | triiodothyronine |
| T4 | thyroxine |
| TrxR | thyoredoxine reducatase |
| TSH | thyroid stimulating hormone |
| TRAb | thyroid stimulating hormone |