technetium (99mtc) mertiatide technetium (99mtc) mertiatide technetium (99mtc) mertiatide is a radiopharmaceutical medication used in nuclear medicine to image the kidneys. it is a renal imaging agent that is given by intravenous injection. technetium (99mtc) mertiatideclinical datatrade namestechnescan mag3license data us dailymed: tc 99m mertiatide routes ofadministrationintravenousatc codev09ca03 (who) legal statuslegal status us: ℞-only identifierskeggd06039 it was approved for medical use in the united states in june 1990. medical uses technetium (99mtc) mertiatide is indicated for use in the diagnosis of congenital and acquired abnormalities, renal failure, urinary tract obstruction, and calculi. chemistry the active ingredient, betiatide, is reconstituted with sodium pertechnetate 99mtc injection to form technetium (99mtc) mertiatide.