- 29881-RT – excision of the meniscus medial compartment, and
- 29876-RT – synovectomy lateral and patellofemoral compartments.
- a miotic pupil that will not dilate sufficiently and requires the use of special instruments
- multiple sphincterotomies
- IOL requires additional support, such as a capsular tension ring or intraocular sutures
- implantation of an IOL in a pediatric case
- mature cataract requiring the use of dye