The Treatment Site Nasopharynx is identified by letter "D" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to D92D
Stereotactic Gamma Beam Radiosurgery of Nasopharynx
Stereotactic Other Photon Radiosurgery of Nasopharynx
Stereotactic Particulate Radiosurgery of Nasopharynx