| aTg | thyroglobulin antibodies |
| aTPO | thyroid peroxidase antibodies |
| CRP | C reactive protein |
| ECLIA | electrochemiluminescence immunoassay |
| ESR | erythrocyte sedimentation rate |
| FNAB | fine needle aspiration biopsy |
| FT3 | free triiodothyronine |
| FT4 | free thyroxine |
| GD | Graves’ disease |
| HLA | human leukocyte antigens |
| SAT | subacute thyroiditis |
| TRAb | thyrotropin receptor antibodies |
| TSH | thyrotropin |
| US | ultrasound |