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