The Isotope Cesium 137 (Cs is identified by number "7" and occupies the 6th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to D011B7
HDR Brachytherapy of Brain Stem using Cesium 137
HDR Brachytherapy of Brain Stem using Iodine 125
LDR Brachytherapy of Brain Stem using Iodine 125
LDR Brachytherapy of Brain Stem using Oth Isotope
HDR Brachytherapy of Brain Stem using Oth Isotope
Low Dose Rate (LDR) Brachytherapy of Brain Stem using Pd-103
LDR Brachytherapy of Brain Stem using Cesium 137
LDR Brachytherapy of Brain Stem using Pd-103, Unidirect
HDR Brachytherapy of Brain Stem using Californium 252
HDR Brachytherapy of Brain Stem using Pd-103
HDR Brachytherapy of Brain Stem using Iridium 192
LDR Brachytherapy of Brain Stem using Californium 252
LDR Brachytherapy of Brain Stem using Iridium 192