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 DT11B7
Low Dose Rate (LDR) Brachytherapy of Ureter using Cesium 137
LDR Brachytherapy of Ureter using Oth Isotope
Low Dose Rate (LDR) Brachytherapy of Ureter using Pd-103
HDR Brachytherapy of Ureter using Iodine 125
High Dose Rate (HDR) Brachytherapy of Ureter using Pd-103
HDR Brachytherapy of Ureter using Cesium 137
LDR Brachytherapy of Ureter using Pd-103, Unidirect
LDR Brachytherapy of Ureter using Californium 252
HDR Brachytherapy of Ureter using Oth Isotope
LDR Brachytherapy of Ureter using Iridium 192
Low Dose Rate (LDR) Brachytherapy of Ureter using Iodine 125
HDR Brachytherapy of Ureter using Iridium 192
HDR Brachytherapy of Ureter using Californium 252