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 DDY27Z
Contact Radiation of Duodenum
Intraoperative Radiation Therapy (IORT) of Duodenum
Laser Interstitial Thermal Therapy of Duodenum
Plaque Radiation of Duodenum
Hyperthermia of Duodenum