CS Mets at DX

Notes

**Note**: Inferior phrenic nodes were reclassified from distant to regional nodes in AJCC 7th Edition. They are now coded in CS Lymph Nodes.
Code Description AJCC 7 M AJCC 6 M Summary Stage 1977 M Summary Stage 2000 M
00 No distant metastasis M0 Lymph Nodes Mets at DX AJCC6 NONE NONE
10 Distant lymph node(s), NOS M1 M1 D D
11 Distant lymph nodes:
Cardiac
Lateral (aortic) (lumbar)
Pericardial (pericardiac)
Posterior mediastinal (tracheoesophageal) including juxtaphrenic nodes
Retroperitoneal, NOS		 M1 M1 RN D
12 Distant lymph nodes:
Coronary artery
Renal artery		 M1 M1 RN D
13 Distant lymph node(s):
Aortic (para-, peri-)
Diaphragmatic, NOS
Peripancreatic (near head of pancreas only)		 M1 M1 D D
15 OBSOLETE DATA RETAINED V0200
Inferior phrenic nodes reclassified from distant to regional nodes in AJCC 7th Edition
See code 16 or CS Lymph Node code 200

Distant lymph node(s) other than codes 10-13, including inferior phrenic nodes		 ERROR: M1 D D
16 Distant lymph node(s) other than codes 10-13 M1 M1 D D
40 Distant metastasis except distant lymph node(s) (codes 10-16)
Carcinomatosis		 M1 M1 D D
50 OBSOLETE DATA RETAINED V0200
Inferior phrenic nodes reclassified from distant to regional nodes in AJCC 7th Edition
See code 51

40 + any of (10 or 11 or 15)
Distant lymph node(s) plus other distant metastases		 ERROR: M1 D D
51 40 + (10,11, or 16)

Distant metastasis plus distant lymph node(s) in codes 10, 11, or 16		 M1 M1 D D
52 40 + (12 or 13)

Distant metastasis plus distant lymph node(s) in codes 12 or 13		 M1 M1 D D
60 Distant metastasis, NOS

Stated as M1 with no other information on distant metastasis		 M1 M1 D D
99 Unknown; distant metastasis not stated
Distant metastasis cannot be assessed
Not documented in patient record		 M0 Lymph Nodes Mets at DX AJCC6 U U
- For CS Mets at DX codes 00 and 99, the M category for AJCC 6 staging is assigned based on the coding of CS Lymph Nodes as shown in the Lymph Nodes Mets at DX AJCC 6 Table.