| Section | D | Radiation Therapy |
| Body System | 9 | Ear, Nose, Mouth and Throat |
| Modality | 1 | Brachytherapy: |
| Treatment Site 0 Ear 1 Nose 3 Hypopharynx 4 Mouth 5 Tongue 6 Salivary Glands 7 Sinuses 8 Hard Palate 9 Soft Palate B Larynx D Nasopharynx F Oropharynx |
Modality Qualifier 9 High Dose Rate (HDR) B Low Dose Rate (LDR) |
Isotope 7 Cesium 137 (Cs-137) 8 Iridium 192 (Ir-192) 9 Iodine 125 (I-125) B Palladium 103 (Pd-103) C Californium 252 (Cf-252) Y Other Isotope |
Qualifier Z None |