The Treatment Site Trachea is identified by number "0" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to DB20
Stereotactic Particulate Radiosurgery of Trachea
Stereotactic Other Photon Radiosurgery of Trachea
Stereotactic Gamma Beam Radiosurgery of Trachea