preferred_name: Mobility greater than 1 mm in a single lateral direction or depressible in the socket.
preferred_name_lc: mobility greater than 1 mm in a single lateral direction or depressible in the socket.
label: Mobility greater than 1 mm in a single lateral direction or depressible in the socket.
label_lc: mobility greater than 1 mm in a single lateral direction or depressible in the socket.