Crossword solverSynonyms for radioactive iodine test5 crossword answers for “radioactive iodine test” (11,6,4), sorted by letter count.How many letters?All5411411512713014 letters 1RAIU14 letters 1diagnostic test(10,4)15 letters 1diagnostic assay(10,5)27 letters 1radioactive iodine uptake test(11,6,6,4)30 letters 1radioactive iodine excretion test(11,6,9,4)