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 DH031
Beam Radiation of Neck Skin using Neutron Capture
Beam Radiation of Neck Skin using Electrons, Intraoperative
Beam Radiation of Neck Skin using Photons <1 MeV
Beam Radiation of Neck Skin using Neutrons
Beam Radiation of Neck Skin using Photons 1 - 10 MeV
Beam Radiation of Neck Skin using Heavy Particles
Beam Radiation of Neck Skin using Electrons
Beam Radiation of Neck Skin using Photons >10 MeV