Questione giuridica chiave
Whether the appeal against the order for a supplementary expert examination was admissible before the Federal Supreme Court
Decisione estratta
Only formal recusal grounds could be reviewed; complaints about the scope or type of the examination were not reviewable at this stage.
Motivazione estratta
Under BGE 138 V 271, orders concerning the taking of medical expert evidence are not appealable except where formal grounds of disqualification are at issue. Substantive objections to the examination must be raised later in the merits review.