CS Mets at DX

This input is used for staging

Notes

**Note**: For metastasis limited to a single distant lymph node chain, use code 08,16 or 18. For metastases involving multiple distant lymph node chains, use codes 29, 31 or 33.

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
05 OBSOLETE DATA CONVERTED V0203
See code 18

Metastasis to a single distant lymph node chain, NOS
ERROR: ERROR: ERROR: ERROR:
08 Metastasis limited to a single distant lymph node chain:
For rectosigmoid:
Internal iliac (hypogastric), NOS
Obturator
M1a M1 RN D
10 OBSOLETE DATA RETAINED V0200
See codes 15 and 20

Distant lymph node(s), NOS
ERROR: M1 D D
11 OBSOLETE DATA RETAINED V0200
See codes 15 and 20

Rectosigmoid:
Internal iliac (hypogastric)
Obturator
ERROR: M1 RN D
12 OBSOLETE DATA RETAINED V0200
See codes 15 and 20

Other distant lymph node(s), including
external iliac
or common iliac
ERROR: M1 D D
15 OBSOLETE DATA CONVERTED V0203
See code 08

Metastasis limited to a single distant lymph node chain:
For rectosigmoid:
Internal iliac (hypogastric), NOS
Obturator
ERROR: ERROR: ERROR: ERROR:
16 Metastasis limited to a single distant lymph node chain:
For rectosigmoid and rectum:
Common iliac
External iliac
Superior mesenteric
For rectosigmoid:
Hemorrhoidal, inferior
Rectal, inferior
For rectum:
Left colic
M1a M1 D D
18 Metastasis limited to a single distant lymph node chain, NOS M1a M1 RN D
20 OBSOLETE DATA CONVERTED V0203
See code 16

Metastasis to other single distant lymph node chains, including
external iliac or common iliac
ERROR: ERROR: ERROR: ERROR:
25 OBSOLETE DATA CONVERTED V0203
See code 26

Metastasis to a single distant organ
ERROR: ERROR: ERROR: ERROR:
26 Metastasis limited to a single distant organ except peritoneum M1a M1 D D
27 Stated as M1a with no other information on distant metastasis M1a M1 RN D
29 Metastases to multiple distant lymph node chains included in code 08 only M1b M1 RN D
30 OBSOLETE DATA CONVERTED V0203
See code 31

Metastasis to more than one distant
lymph node chain
ERROR: ERROR: ERROR: ERROR:
31 Metastases to multiple distant lymph node chains listed in code 16, with or without distant lymph node chains listed in code 08 M1b M1 D D
33 Metastases to multiple distant lymph node chains, NOS M1b M1 D D
35 OBSOLETE DATA REVIEWED V0203
See codes 36, 48

Distant metastases to more than one distant organ
Metastases to the peritoneum
Carcinomatosis
Stated as M1b, NOS
M1b M1 D D
36 Metastases to more than one distant organ except distant lymph node(s)
Metastasis to peritoneum
Carcinomatosis
M1b M1 D D
40 OBSOLETE DATA RETAINED V0200
See codes 35 and 60

Distant metastases except distant lymph node(s) codes 10-12
Distant metastasis, NOS
Carcinomatosis
ERROR: M1 D D
45 (26 or 36) + any of (08, 16, 18, 29, 31 or 33)

Metastases to distant organs plus distant nodes
M1b M1 D D
48 Stated as M1b with no other information on distant metastasis M1b M1 RN D
50 OBSOLETE DATA RETAINED V0200
See code 45

40+ any of (10 or 12)
Distant lymph node(s) plus other distant metastases
ERROR: M1 D D
60 Distant metastasis, NOS

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