CS Mets at DX

This input is used in derivation

Notes

**Note 1**: In-transit metastasis is coded in CS Lymph Nodes. **Note 2**: Nodes in contiguous (secondary) and bidirectional (cephalad/caudal) primary nodal basins are coded in CS Lymph Nodes. (Clarification V0204)

Default

99

NAACCR Item

NAACCR #2850
Code Description AJCC 7 M AJCC 6 M Summary Stage 1977 M Summary Stage 2000 M
00 No distant metastasis M0 M0 NONE NONE
10 Distant lymph node(s) M1a M1 D D
15 Metastasis to skin or subcutaneous tissue M1a M1 D D
20 Stated as M1a with no other information on distant metastases M1a M1 D D
30 Lung M1b M1 D D
35 30 + (10 or 15)

Metastasis to lung plus distant lymph node(s) or skin or subcutaneous tissue		 M1b M1 D D
37 Stated as M1b with no other information on distant metastasis M1b M1 D D
40 OBSOLETE DATA RETAINED V0200
See code 60

Distant metastasis, NOS
Distant metastases except distant lymph node(s) (code 10)
Carcinomatosis		 ERROR: M1 D D
45 Distant metastasis to all other visceral sites except distant lymph node(s), skin or subcutaneous tissue, or lung
Carcinomatosis		 M1c M1 D D
50 OBSOLETE DATA RETAINED V0200

10 + 40
Distant lymph node(s) plus other distant metastases		 ERROR: M1 D D
55 45 + (any of 10, 15, or 30)

Metastasis to other visceral sites plus distant lymph node(s), skin, subcutaneous tissue, or lung		 M1c M1 D D
57 Stated as M1c with no other information on distant metastases M1c M1 D D
60 Distant metastasis, NOS

Stated as M1 [NOS] with no other information on distant metastasis		 M1NOS M1 D D
99 Unknown; distant metastasis not stated
Distant metastasis cannot be assessed
Not documented in patient record		 M0 MX U U