EOD Regional Nodes
Notes
**Note 1:** **Regional nodes and nodes, NOS** * Code only regional nodes and nodes, NOS, in this field. Distant nodes are coded in EOD Mets. **Note 2:** **Lymph nodes, NOS** * Code 800 if regional lymph nodes are involved, but there is no indication which ones are involved.| Code | Description | SS2018 N |
|---|---|---|
| 000 | No regional lymph node involvement | NONE |
| 300 | Ascending aorta Cervical (low anterior) Mediastinal (lower, NOS) Para-aortic Paratracheal, NOS Peri-thymic Peri-thyroid Pericardial Phrenic (inferior, superior) Precricoid/Delphian Pretracheal Prevascular Supradiaphragmatic | RN |
| 400 | Hilar Internal mammary Lower jugular Mediastinal (middle) Paratracheal (lower, upper) Subaortic/aortopulmonary window Subcarinal Supraclavicular/venous angle: confluence of internal jugular and subclavian vein | RN |
| 800 | Regional lymph node(s), NOS Lymph node(s), NOS | RN |
| 999 | Unknown; regional lymph node(s) not stated Regional lymph node(s) cannot be assessed Not documented in medical record Death Certificate Only | U |