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 D9090Z
Beam Radiation of Soft Palate using Electrons
Beam Radiation of Soft Palate using Neutrons
Beam Radiation of Soft Palate using Photons <1 MeV
Beam Radiation of Soft Palate using Photons >10 MeV
Beam Radiation of Soft Palate using Electrons, Intraop
Beam Radiation of Soft Palate using Photons 1 - 10 MeV
Beam Radiation of Soft Palate using Neutron Capture
Beam Radiation of Soft Palate using Heavy Particles