Collaborative Stage

Collaborative Stage for TNM 7 - Revised 10/25/2011 [ Schema ]

MerkelCellVulva

CS Mets at DX

Note: External and internal iliac nodes are coded in CS Lymph Nodes. (Clarification V0204)

Code	Description	TNM 7 Map	TNM 6 Map	SS77 Map	SS2000 Map
00	No distant metastasis	M0	*	NONE	NONE
10	Distant lymph node(s), NOS	M1a	M1	D	D
11	OBSOLETE DATA RETAINED AND REVIEWED V0204 See codes 10 and 11, CS Lymph Nodes codes 106, 108, 550, and 570 Distant lymph node(s): External iliac	M1a	M1	RN	D
12	OBSOLETE DATA RETAINED AND REVIEWED V0204 See codes 10 and 11, CS Lymph Nodes code 107, 109, 560, and 580 Distant lymph node(s): Internal iliac (hypogastric) Obturator Pelvic, NOS	M1a	M1	D	D
13	Distant lymph node(s) including common iliac	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	OBSOLETE DATA RETAINED AND REVIEWED V0204 See codes 30 and 36, CS Lymph Nodes codes 106, 107, 108, 109, 550, 560, 570, and 580 30 + (any of 10-15) Metastasis to lung plus distant lymph node(s) or skin or subcutaneous tissue	M1b	M1	D	D
36	30 + 13 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 metastases	M1b	M1	D	D
40	OBSOLETE DATA RETAINED V0200 Distant metastases other than distant lymph node(s)(codes 10 to 13) Distant metastasis, NOS Carcinomatosis	ERROR	M1	D	D
45	Distant metastasis to all other visceral sites Except distant lymph node(s), skin, subcutaneous tissue, or lung Carcinomatosis	M1c	M1	D	D
50	OBSOLETE DATA RETAINED V0200 40 + any of (10 to 13) Distant lymph node(s) plus other distant metastases	ERROR	M1	D	D
55	OBSOLETE DATA RETAINED AND REVIEWED V0204 See codes 45 and 56, CS Lymph Nodes codes 106, 107, 108, 109, 550, 560, 570, and 580 45 + any of (10 -15, 30) Metastasis to other visceral sites plus distant lymph node(s), skin, subcutaneous tissues, or lung	M1c	M1	D	D
56	45 + any of (13, 30) Metastasis to other visceral sites plus distant lymph node(s), skin, subcutaneous tissues, or lungs	M1c	M1	D	D
57	Stated as M1c with no other information on distant metastasis	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	*	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 for this schema.