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 DD026Z
Beam Radiation of Duodenum using Photons <1 MeV
Beam Radiation of Duodenum using Photons 1 - 10 MeV
Beam Radiation of Duodenum using Photons >10 MeV
Beam Radiation of Duodenum using Electrons, Intraoperative
Beam Radiation of Duodenum using Heavy Particles
Beam Radiation of Duodenum using Neutron Capture
Beam Radiation of Duodenum using Electrons
Beam Radiation of Duodenum using Neutrons