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 DDY7CZ
Plaque Radiation of Rectum
Hyperthermia of Rectum
Intraoperative Radiation Therapy (IORT) of Rectum
Laser Interstitial Thermal Therapy of Rectum
Contact Radiation of Rectum