Unilateral correction of hallux valgus or varus deformity of the foot, by osteotomy of first metatarsal, without internal fixation, including any of the following (if performed): (a) exostectomy; (b) removal of bursae; (c) synovectomy; (d) capsule repair; (e) capsule or tendon release or transfer (H) (Anaes.) (Assist.)