Need a Little Help, Please

I am new to ortho and I need opinons on how to code for a procedure, please.

Does anyone know how to code:

Removal of right L5 screw with revision of rod and posterior segmental instrumentation, right side

Removal of the cross connector with reapplication

Evacuation of hematoma of epideral

L5 laminectomy with partial faceectomy and neural forminotomies

Exploration of wound

I just need a little help here and I appreciate any help. Thanks.

Need a Little Help, Please