Summary of Information Pertinent to Performing the Procedure
| Topic | Action/information needed |
| Radioiodine-interfering materials | Avoid and obtain history of (e.g., medications, intravenous contrast [especially as a part of a CT exam]) |
| Iodine intake | Compliance with low-iodine diet |
| TSH | Appropriate TSH level |
| Stimulation | Preparation with THS versus rhTSH |
| Surgery | Surgical information (e.g., total/subtotal thyroidectomy vs. lobectomy, extent of cervical compartments dissected) |
| Histopathology | Information on presence/absence of capsular or angiolymphatic invasion, extrathyroidal extension, surgical margin status, presence/extent of lymph node metastases, and level of cervical compartments involved |
| Imaging | Results of prior scintigraphy or other pertinent imaging procedures |
| RAI treatments | Information on any prior RAI treatments |
| Physical | Physical exam findings |
| Menstruation/lactation | Menstrual and lactation history, negative serum pregnancy test before RAI administration if needed |