Inpatient Procedures Requiring Precertification CPT Codes Category Procedure/Description 15730 Skin Midface flap (ie, zygomaticofacial flap) with preservation of vascular pedicle(s) Muscle, myocutaneous, or fasciocutaneous flap; head and neck with named vascular pedicle (ie, buccinators, genioglossus, temporalis, 15733 Skin masseter,sternocleidomastoid, levator scapulae) 15830 Skin Excision.