Thanks didn't see that 

have changed to the below which works from your answer

Set node = $Query(^FromExtraMed(""),1,nodevalue)

 while (node '="")
 {
 write nodevalue,!

 Set node = $Query(@node,1,nodevalue)

}

Solved by WRC. By pressing enter first on the Search bar then this issue disappeared. Issue presumed browser Caching issue

The example with the @ with this still brought back any other nodes of je1 not just that "not configured" node

found the following to do what required from Use a global stored in variable. | InterSystems Developer Community |

s global="^je1(""NotConfigured"")"
s sub=""
f  s sub=$o(@global@(sub)) q:sub=""  w !,sub