The Collaborative International Dictionary of English v.0.48:

iodinated \iodinated\ adj. (Chem.)
   treated or reacted with iodine; treated so as to combine with
   iodine.

   Note: The iodinating agent may be other than iodine itself,
         such as compounds with active iodine.

   Syn: iodized.
        [PJC]

WordNet (r) 3.0 (2006):

iodinated
    adj 1: treated with iodine; "iodized salt" [syn: iodinated,
           iodized, iodised]