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 DB12B7
High Dose Rate (HDR) Brachytherapy of Lung using Iridium 192
High Dose Rate (HDR) Brachytherapy of Lung using Cesium 137
Low Dose Rate (LDR) Brachytherapy of Lung using Pd-103
High Dose Rate (HDR) Brachytherapy of Lung using Pd-103
LDR Brachytherapy of Lung using Pd-103, Unidirect
LDR Brachytherapy of Lung using Californium 252
Low Dose Rate (LDR) Brachytherapy of Lung using Iodine 125
Low Dose Rate (LDR) Brachytherapy of Lung using Oth Isotope
High Dose Rate (HDR) Brachytherapy of Lung using Oth Isotope
Low Dose Rate (LDR) Brachytherapy of Lung using Iridium 192
Low Dose Rate (LDR) Brachytherapy of Lung using Cesium 137
High Dose Rate (HDR) Brachytherapy of Lung using Iodine 125
HDR Brachytherapy of Lung using Californium 252