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 Common bile duct Cystic duct Hepatic, NOS Hepatic artery Hepatic pedicle Hepatoduodenal ligament Hilar Portal vein - Periportal - Porta hepatis - Portal RN
400 Portocaval (portacaval) RN
700 Left liver (segments 2-4) or lobe of liver not stated - Gastrohepatic - Inferior phrenic Right liver (segments 5-8) or lobe of liver not stated - Periduodenal - Peripancreatic - Pancreaticoduodenal 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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