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 D9051
Beam Radiation of Tongue using Photons >10 MeV
Beam Radiation of Tongue using Electrons
Beam Radiation of Tongue using Photons 1 - 10 MeV
Beam Radiation of Tongue using Neutrons
Beam Radiation of Tongue using Electrons, Intraoperative
Beam Radiation of Tongue using Neutron Capture
Beam Radiation of Tongue using Heavy Particles
Beam Radiation of Tongue using Photons <1 MeV