CS Lymph Nodes
Notes
**Note 1**: Code only regional nodes and nodes, NOS, in this field. Distant nodes are coded in the field CS Mets at DX. **Note 2**: Regional nodes include unilateral, bilateral or contralateral involvement of named node(s).| 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 | SINGLE regional lymph node: Aortic, NOS: Lateral (lumbar) Para-aortic Periaortic Preaortic Retroaortic Renal hilar Retroperitoneal, NOS Regional lymph node(s), NOS |
N1 | N1 | RN | RN |
| 110 | SINGLE regional lymph node: Interaortocaval Pericaval, NOS Paracaval Precaval Retrocaval |
N1 | N1 | D | RN |
| 150 | OBSOLETE DATA CONVERTED V0203 See code 210 110 + 100 Single regional lymph node as specified in code 110 plus single regional lymph node as specified in code 100 |
ERROR: | ERROR: | ERROR: | ERROR: |
| 200 | MULTIPLE regional lymph nodes listed in code 100 | N1 | N2 | RN | RN |
| 210 | MULTIPLE regional nodes, any listed in code 110 WITH or WITHOUT nodes listed in code 100 |
N1 | N2 | D | RN |
| 400 | OBSOLETE DATA RETAINED AND REVIEWED V0203 See codes 200 and 210 More than one regional lymph node other than as defined in code 150 |
N1 | N2 | D | RN |
| 700 | Regional lymph nodes, NOS Not stated if single or multiple Stated as N1 with no other information on regional lymph nodes |
N1 | 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 |