The Treatment Site Sinuses is identified by number "7" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to D927
Stereotactic Particulate Radiosurgery of Sinuses
Stereotactic Other Photon Radiosurgery of Sinuses
Stereotactic Gamma Beam Radiosurgery of Sinuses