The Treatment Site Chest Wall 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 DB27
Stereotactic Gamma Beam Radiosurgery of Chest Wall
Stereotactic Particulate Radiosurgery of Chest Wall
Stereotactic Other Photon Radiosurgery of Chest Wall