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 DF000Z
Beam Radiation of Liver using Electrons
Beam Radiation of Liver using Neutrons
Beam Radiation of Liver using Electrons, Intraoperative
Beam Radiation of Liver using Heavy Particles (Protons,Ions)
Beam Radiation of Liver using Neutron Capture
Beam Radiation of Liver using Photons >10 MeV
Beam Radiation of Liver using Photons <1 MeV
Beam Radiation of Liver using Photons 1 - 10 MeV