This code system http://hl7.org/fhir/us/mcode/CodeSystem/snomed-requested-cs defines the following codes:
| Code | Display | Definition |
| 1162492000 | Tumor bed (morphologic abnormality) | |
| 1162782007 | Three dimensional external beam radiation therapy (procedure) | |
| 1162586008 | Irradiated volume of organ at risk (observable entity) | |
| 1162616006 | Lymph node level IA (qualifier value) | |
| 1162617002 | Lymph node level IB (qualifier value) | |
| 1162620005 | Lymph node level IVA (qualifier value) | |
| 1162621009 | Lymph node level IVB (qualifier value) | |
| 1162622002 | Lymph node level VA (qualifier value) | |
| 1162623007 | Lymph node level VB (qualifier value) | |
| 1162624001 | Lymph node level VC (qualifier value) | |
| 1162625000 | Lymph node level VIA (qualifier value) | |
| 1162626004 | Lymph node level VIB (qualifier value) | |
| 1162628003 | Lymph node level VIIA (qualifier value) | |
| 1162627008 | Lymph node level VIIB (qualifier value) | |
| 1162618007 | Lymph node level VIII (qualifier value) | |
| 1162619004 | Lymph node level IX (qualifier value) | |
| 1162614009 | Lymph node level X (qualifier value) | |
| 1162615005 | Lymph node level XA (qualifier value) | |
| 1162613003 | Lymph node level XB (qualifier value) | |
| USCRS-33351 | Bowel space (body structure) | |
| USCRS-33352 | Small bowel space (body structure) | |
| 1187336003 | Presacral lymph node group (body structure) | |
| USCRS-33517 | External beam radiation therapy using particle scanning technique (procedure) | |
| USCRS-33144 | non-adjacent (qualifier) | |
| USCRS-352237 | Cancer in partial remission (finding) | |
| USCRS-352236 | Cancer in complete remission(finding) | |
| USCRS-33529 | Radiotherapy Course of Treatment (regime/therapy) | |
| 1193560003 | Bone structure of thirteenth rib (body structure) | |
| 1193554003 | Structure of retrostyloid space (body structure) | |
| 1186895000 | Structure of body of thirteenth thoracic vertebra (body structure) | |
| 1187337007 | Jugular Fossa (body structure) | |
| USCRS-33520 | Internal Target Volume | Clinical tumor volume with an internal margin to compensate for all movements |
| USCRS-33521 | Internal Gross Tumor Volume | Gross tumor volume with an internal margin to compensate for all movements |