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 DP021
Beam Radiation of Maxilla using Electrons
Beam Radiation of Maxilla using Photons 1 - 10 MeV
Beam Radiation of Maxilla using Photons <1 MeV
Beam Radiation of Maxilla using Neutrons
Beam Radiation of Maxilla using Photons >10 MeV
Beam Radiation of Maxilla using Heavy Particles
Beam Radiation of Maxilla using Neutron Capture
Beam Radiation of Maxilla using Electrons, Intraoperative