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 DW011
Beam Radiation of Head and Neck using Electrons
Beam Radiation of Head and Neck using Photons <1 MeV
Beam Radiation of Head and Neck using Neutron Capture
Beam Radiation of Head and Neck using Heavy Particles
Beam Radiation of Head and Neck using Photons 1 - 10 MeV
Beam Radiation of Head and Neck using Neutrons
Beam Radiation of Head and Neck using Photons >10 MeV
Beam Radiation of Head and Neck using Electrons, Intraop