I'm 2 wks post TT with Stage 3 Papillary cancer. They told me we had to wait for my levels to get "bad" to do the Radioactive Iodine Therapy. I just had labs done. My TSH is 24.42 mcIU/mL (ref range 0.3 - 5.0), T4 is 3.54 mcg/dL (4.50 - 11.70), T3 Total is 0.7 ng/mL (0.8 - 2.0). They won't start replacement therapy until the RAIT is completed so just wondering what numbers we are watching and if there is a typical range when they are "bad" enough that the cancer will ready to absorb the radioactive iodine?