 
| PCS-2023 > D > D7 > D7Y > D7Y1 | 
| D7Y | Lymphatic and Hematologic System, Other Radiation | |
| D7Y1 | Other Radiation, Thymus | |
| D7Y18 | Hyperthermia | |
| D7Y18Z | None | |
| D7Y18ZZ | Hyperthermia of Thymus | |
| D7Y1F | Plaque Radiation | |
| D7Y1FZ | None | |
| D7Y1FZZ | Plaque Radiation of Thymus | |
| ICD-10-CM-2023 Code Search Engine and PCS-2023 Code Search Engine |