Note: Measure the size of the metastasis in the lymph node to determine codes 10-30, not the size of the lymph node itself.
| Code |
Description |
TNM |
SS77 |
SS2000 |
| 00 |
No regional lymph node involvement |
N0 |
NONE |
NONE |
| 10 |
Single regional lymph node, less than or equal to 2 cm:
- Renal Pelvis:
- Aortic, NOS:
- Lateral (lumbar)
- Para-aortic
- Periaortic
- Paracaval
- Renal hilar
- Retroperitoneal, NOS
- Regional lymph node(s), NOS
- Ureter:
- Iliac, NOS:
- Common
- External
- Internal (hypogastric), NOS
- Obturator
- Lateral aortic (lumbar)
- Paracaval
- Pelvic, NOS
- Periureteral
- Renal hilar
- Retroperitoneal, NOS
- Regional lymph node(s), NOS
|
N1 |
RN |
RN |
| 20 |
- Regional lymph nodes as listed in code 10
- Single regional lymph node greater than 2 - 5 cm OR multiple regional nodes, none greater than 5 cm
|
N2 |
RN |
RN |
| 30 |
- Regional lymph nodes as listed in code 10
- Regional lymph node(s), at least one greater than 5 cm
|
N3 |
RN |
RN |
| 50 |
Regional lymph node(s), NOS (size and/or number not stated) |
N1 |
RN |
RN |
| 80 |
Lymph nodes, NOS |
N1 |
RN |
RN |
| 99 |
- Unknown; not stated
- Regional lymph node(s) cannot be assessed
- Not documented in patient record
|
NX |
U |
U |