AXSYM FREE THYROXINE ( FREE T4 )

AXSYM FREE THYROXINE ( FREE T4 ) is an FDA 510(k)-cleared medical device (K934544) manufactured by Abbott Laboratories. This device is classified under the Clinical Chemistry specialty. FDA Device Class II (Special Controls) — moderate risk, requires 510(k) clearance. FDA clearance granted on June 20, 1994. Regulation: 8.