Eye (not cataracts) - MBS item (42530)

The following MBS item is included in this clinical category.

42530
Orbit, exploration of, requiring removal of bone (orbitotomy) for access, with subsequent drainage or biopsy, including repair of any bone or soft tissue surgical defect, other than a service associated with a service to which item?45590 or 45594 applies on the same side (H) (Anaes.) (Assist.)