The Treatment Site Pineal Body is identified by number "1" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to DG21
Stereotactic Other Photon Radiosurgery of Pineal Body
Stereotactic Particulate Radiosurgery of Pineal Body
Stereotactic Gamma Beam Radiosurgery of Pineal Body