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 D9041
Beam Radiation of Mouth using Photons >10 MeV
Beam Radiation of Mouth using Photons 1 - 10 MeV
Beam Radiation of Mouth using Photons <1 MeV
Beam Radiation of Mouth using Neutron Capture
Beam Radiation of Mouth using Neutrons
Beam Radiation of Mouth using Electrons
Beam Radiation of Mouth using Heavy Particles (Protons,Ions)
Beam Radiation of Mouth using Electrons, Intraoperative