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 DD053Z
Beam Radiation of Colon using Electrons, Intraoperative
Beam Radiation of Colon using Heavy Particles (Protons,Ions)
Beam Radiation of Colon using Neutron Capture
Beam Radiation of Colon using Neutrons
Beam Radiation of Colon using Electrons
Beam Radiation of Colon using Photons 1 - 10 MeV
Beam Radiation of Colon using Photons <1 MeV
Beam Radiation of Colon using Photons >10 MeV