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 DFY0CZ
Intraoperative Radiation Therapy (IORT) of Liver
Hyperthermia of Liver
Laser Interstitial Thermal Therapy of Liver
Contact Radiation of Liver
Plaque Radiation of Liver