In TN LPNs are allowed to (if IV certified) admin med either IV or push, preform dressing changes, flush, & draw blood from piccs/central lines. We are not however allowed to insert or DC a line. LPNs also cannot admin certain medications in TN whether a pheripheral or central line such as chemo drugs, blood or blood products, tocolytics, oxytocins, certain sedatives, anethesias, etc. Look up your states nursing board practice act. It should detail everything premitted there.