The Treatment Site Breast, Left 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 DM20
Stereotactic Other Photon Radiosurgery of Left Breast
Stereotactic Particulate Radiosurgery of Left Breast
Stereotactic Gamma Beam Radiosurgery of Left Breast