Questão jurídica principal
Whether the cantonal decision on ordering a medical expertise was appealable to the Federal Supreme Court.
Decisão extraída
The decision was an interim order that could only be challenged under the limited conditions for interim decisions; those conditions were not met.
Fundamentação extraída
Under Art. 93 BGG and BGE 138 V 271, decisions about the obtaining of medical expert opinions are generally not appealable to the Federal Supreme Court unless formal recusal grounds are raised. The appellant challenged the IV office's choice of expert but did not invoke any formal disqualification ground.