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 D91FB7
LDR Brachytherapy of Oropharynx using Oth Isotope
Low Dose Rate (LDR) Brachytherapy of Oropharynx using Pd-103
LDR Brachytherapy of Oropharynx using Iodine 125
LDR Brachytherapy of Oropharynx using Iridium 192
HDR Brachytherapy of Oropharynx using Iridium 192
HDR Brachytherapy of Oropharynx using Pd-103
LDR Brachytherapy of Oropharynx using Californium 252
HDR Brachytherapy of Oropharynx using Oth Isotope
HDR Brachytherapy of Oropharynx using Iodine 125
LDR Brachytherapy of Oropharynx using Pd-103, Unidirect
LDR Brachytherapy of Oropharynx using Cesium 137
HDR Brachytherapy of Oropharynx using Californium 252
HDR Brachytherapy of Oropharynx using Cesium 137