A 14-year-old female patient with cystic fibrosis is admitted for a lung transplant. The patient is taken to the OR, prepped, draped and anesthetized in the usual fashion. A 3-cm sternotomy incision was made and the cavity was entered. The right lung was transferred and secured from the cadaver donor lung and the exact same procedure was completed on the left side. The patient was extubated and sent to recovery in stable condition. What is the ICD-10-PCS code assigned?