The Treatment Site Duodenum is identified by number "2" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to DD22
Stereotactic Particulate Radiosurgery of Duodenum
Stereotactic Other Photon Radiosurgery of Duodenum
Stereotactic Gamma Beam Radiosurgery of Duodenum