The Modality Qualifier Photons 1 is identified by number "1" and occupies the 5th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to DP031
Beam Radiation of Mandible using Photons <1 MeV
Beam Radiation of Mandible using Heavy Particles
Beam Radiation of Mandible using Neutrons
Beam Radiation of Mandible using Electrons
Beam Radiation of Mandible using Electrons, Intraoperative
Beam Radiation of Mandible using Photons 1 - 10 MeV
Beam Radiation of Mandible using Photons >10 MeV
Beam Radiation of Mandible using Neutron Capture