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 DD15B7
High Dose Rate (HDR) Brachytherapy of Colon using Iodine 125
High Dose Rate (HDR) Brachytherapy of Colon using Pd-103
High Dose Rate (HDR) Brachytherapy of Colon using Cesium 137
HDR Brachytherapy of Colon using Californium 252
LDR Brachytherapy of Colon using Californium 252
Low Dose Rate (LDR) Brachytherapy of Colon using Iridium 192
HDR Brachytherapy of Colon using Iridium 192
Low Dose Rate (LDR) Brachytherapy of Colon using Iodine 125
Low Dose Rate (LDR) Brachytherapy of Colon using Pd-103
LDR Brachytherapy of Colon using Pd-103, Unidirect
Low Dose Rate (LDR) Brachytherapy of Colon using Oth Isotope
Low Dose Rate (LDR) Brachytherapy of Colon using Cesium 137
HDR Brachytherapy of Colon using Oth Isotope