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 DW013Z
Beam Radiation of Head and Neck using Photons >10 MeV
Beam Radiation of Head and Neck using Neutrons
Beam Radiation of Head and Neck using Photons 1 - 10 MeV
Beam Radiation of Head and Neck using Neutron Capture
Beam Radiation of Head and Neck using Heavy Particles
Beam Radiation of Head and Neck using Photons <1 MeV
Beam Radiation of Head and Neck using Electrons, Intraop
Beam Radiation of Head and Neck using Electrons