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:** Pericholedochal nodes are coded in EOD Mets for jejunum and ileum primaries.

Code	Description	SS2018 N
000	No regional lymph node involvement	NONE
300	Duodenum (C170) - Duodenal - Gastroduodenal - Hepatic - Pancreaticoduodenal (inferior) - Pericholodochal (common bile duct) - Pyloric (infrapyloric, subpyloric, NOS) - Retropancreatic - Superior mesenteric Jejunum and ileum (C171, C172) - Cecal (anterior, posterior, retrocecal) (terminal ileum only) - Ileocecal (ileocolic) (terminal ileum only) - Mesenteric, NOS - Superior mesenteric	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 patient record Death Certificate Only	U

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