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 DBY8FZ
Plaque Radiation of Diaphragm
Laser Interstitial Thermal Therapy of Diaphragm
Hyperthermia of Diaphragm
Contact Radiation of Diaphragm