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 Aortic (above diaphragm), NOS - Ascending aorta (phrenic) - Peri/para-aortic - Subaortic (aortico-pulmonary window) Carinal (tracheobronchial) (tracheal bifurcation) Hilar (ipsilateral) - Bronchopulmonary - Proximal lobar - Pulmonary root Intercostal Internal mammary (parasternal) Intrapulmonary - Interlobar - Lobar - Segmental - Subsegmental Mediastinal, NOS (ipsilateral) - Anterior - Posterior (tracheoesophageal) Pericardial Peri/parabronchial Peri/paraesophageal (below carina) Peri/paratracheal (lower [azygos], upper, NOS) Pretracheal and retrotracheal (precarinal), NOS Prevascular Pulmonary ligament Subcardial Subcarinal RN
700 Hilar (contralateral, bilateral) - Bronchopulmonary - Proximal lobar - Pulmonary root Mediastinal (contralateral, bilateral) - Anterior - Posterior (tracheoesophageal) Peridiaphragmatic (ipsilateral, contralateral) - Mediastinal Scalene (ipsilateral, contralateral) - Inferior deep cervical Supraclavicular (ipsilateral or contralateral) - Transverse cervical D
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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