CS Mets at DX

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.

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