The Isotope None is identified by letter "Z" and occupies the 6th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to DD031Z
Beam Radiation of Jejunum using Photons 1 - 10 MeV
Beam Radiation of Jejunum using Electrons, Intraoperative
Beam Radiation of Jejunum using Photons <1 MeV
Beam Radiation of Jejunum using Neutron Capture
Beam Radiation of Jejunum using Heavy Particles
Beam Radiation of Jejunum using Electrons
Beam Radiation of Jejunum using Neutrons
Beam Radiation of Jejunum using Photons >10 MeV