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 DDY07Z
Contact Radiation of Esophagus
Hyperthermia of Esophagus
Laser Interstitial Thermal Therapy of Esophagus
Plaque Radiation of Esophagus