The Treatment Site Gallbladder 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 DF21
Stereotactic Other Photon Radiosurgery of Gallbladder
Stereotactic Particulate Radiosurgery of Gallbladder
Stereotactic Gamma Beam Radiosurgery of Gallbladder