The patient was dound comatose after a choking incident. She was admitted and work-up revealed a largeleft frontotemporal hematoma and left middle cerebral artery aneurysm. At surgery, the leftfrontotemporoparietal brain was severely swollen. The surgeon accomplished frontotemporoparietaldecompressive craniectomy, clipping of left middle cerebral artery aneurysm, evacuation of leftfrontotemporal hematoma,duraplasty, and placement of the bone flap in the abdominal wall. How is thestorage of the bone flap in the subcutaneous abdominal wall captured in ICD-10-PCS? Also, how is clipping ofthe left cerebral artery coded? The index entry under “Clipping” directs “see Restriction”