EOD Regional Nodes

Notes

**Note 1:** Code only regional nodes and nodes, NOS, in this field. Distant nodes are coded in EOD Mets. **Note 2:** 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
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