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 DD006Z
Beam Radiation of Esophagus using Photons 1 - 10 MeV
Beam Radiation of Esophagus using Heavy Particles
Beam Radiation of Esophagus using Neutrons
Beam Radiation of Esophagus using Electrons, Intraoperative
Beam Radiation of Esophagus using Neutron Capture
Beam Radiation of Esophagus using Photons >10 MeV
Beam Radiation of Esophagus using Photons <1 MeV
Beam Radiation of Esophagus using Electrons