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 | 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 |