The Isotope None is identified by letter "Z" and occupies the 6th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to DDY4FZ
Plaque Radiation of Ileum
Hyperthermia of Ileum
Laser Interstitial Thermal Therapy of Ileum
Intraoperative Radiation Therapy (IORT) of Ileum
Contact Radiation of Ileum