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