CS Lymph Nodes

Notes

**Note 1**: Code only regional nodes and nodes, NOS, in this field. Distant nodes are coded in CS Mets at DX. **Note 2**: Periaortic and pericaval lymph nodes are classified as regional nodes for AJCC 7 staging. They are now coded in CS Lymph Nodes.
Code Description AJCC 7 N TNM 6 N Summary Stage 1977 N Summary Stage 2000 N
000 No regional lymph node involvement N0 N0 NONE NONE
100 Regional lymph nodes:
Cystic duct (node of the neck of the gallbladder) (Calot's node)
Hepatic, NOS:
Hepatic artery
Hilar (in the hepatoduodenal ligament)
Node of the foramen of Winslow (omental) (epiploic)
Pericholedochal (node around common bile duct)
Periportal
Porta hepatis (portal) (hilar) (in hilus of liver)
Regional lymph nodes, NOS
N1 N1 RN RN
120 Regional lymph nodes:
Pancreaticoduodenal
Periduodenal
Peripancreatic (near head of pancreas only)
N1 N1 RN RN
150 OBSOLETE DATA RETAINED V0200
(See codes 100 and 300)

Regional lymph nodes:
Cystic duct (node of the neck of the gallbladder) (Calot's node)
Hepatic
Hilar (in the hepatoduodenal ligament)
Node of the foramen of Winslow (omental) (epiploic)
Pancreaticoduodenal
Pericholedochal (node around common bile duct)
Periduodenal
Peripancreatic (near head of pancreas only)
Periportal
Porta hepatis (portal) (hilar) (in hilus of liver)
Regional lymph nodes, NOS
ERROR: N1 RN RN
200 Stated as N1 with no other information on regional lymph nodes N1 N1 RN RN
300 OBSOLETE DATA CONVERTED V0203
See code 120

Regional lymph nodes:
Pancreaticoduodenal
Periduodenal
Peripancreatic (near head of pancreas only)
ERROR: ERROR: ERROR: ERROR:
310 OBSOLETE DATA CONVERTED V0203
See code 315

(300) + (100)
ERROR: ERROR: ERROR: ERROR:
315 120 + 100 N1 N1 RN RN
350 Regional lymph nodes:
Celiac
Superior mesenteric
N2 N1 D D
355 Regional lymph nodes:
Periaortic
Pericaval
N2 N0 D D
360 350 + 100 N2 N1 D D
370 355 + (100, 120, 350) N2 N1 D D
400 Stated as N2 with no other information on regional lymph nodes N2 N1 RN RN
800 Lymph nodes, NOS N1 N1 RN RN
999 Unknown; regional lymph nodes not stated
Regional lymph nodes cannot be assessed
Not documented in patient record
NX NX U U