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 D9036Z
Beam Radiation of Hypopharynx using Photons >10 MeV
Beam Radiation of Hypopharynx using Neutron Capture
Beam Radiation of Hypopharynx using Photons 1 - 10 MeV
Beam Radiation of Hypopharynx using Electrons
Beam Radiation of Hypopharynx using Neutrons
Beam Radiation of Hypopharynx using Electrons, Intraop
Beam Radiation of Hypopharynx using Photons <1 MeV
Beam Radiation of Hypopharynx using Heavy Particles