Revision of total ankle replacement: (a) including either: (i) exchange of tibial or talar components (or both) or plastic inserts; or (ii) removal of tibial or talar components (or both) and plastic inserts; and (b) including any of the following (if performed): (i) insertion of cement spacer for infection; (ii) capsulotomy; (iii) joint release; (iv) neurolysis; (v) debridement of cysts; (vi) synovectomy; (vii) joint debridement other than a service associated with a service to which item 30023 applies (H) (Anaes.) (Assist.)