CS Mets at DX

Notes

**Note**: Involvement of peripheral and central lymph nodes, distant nodes for ocular adnexal lymphomas, is coded in CS Lymph Nodes and not in CS Mets at DX.
Code Description AJCC 7 M AJCC 6 M Summary Stage 1977 M Summary Stage 2000 M
00 No involvement of other extranodal sites M0 NA NONE NONE
20 Spleen M1a NA D D
30 Non-contiguous involvement of other extranodal sites
excluding bone marrow, including but not limited to:
Parotid gland
Submandibular gland
Lung
Liver
Kidney
Breast
M1a NA D D
35 Stated as M1a with no other information on metastasis M1a NA D D
40 Bone marrow

Stated as M1b with no other information on metastasis
M1b NA D D
50 40 + (20, 30, or 35)

Bone marrow plus other extranodal site

Stated as M1c with no other information on metastasis
M1c NA D D
60 Distant metastasis NOS

Stated as M1 [NOS] with no other information on metastasis
M1NOS NA D D
88 OBSOLETE DATA CONVERTED V0200
See code 98

Not applicable for this site
ERROR: ERROR: ERROR: ERROR:
98 OBSOLETE DATA RETAINED V0200
New schema for site/histology V0200

Not applicable for this schema
ERROR: NA U U
99 Unknown; distant metastasis not stated
Distant metastasis cannot be assessed
Not documented in patient record
M0 NA U U
- Stage grouping for AJCC 6 staging of ocular adnexal lymphoma for cases collected in CSv2 is derived from a combination of CS Extension, CS Lymph Nodes, and CS Mets at DX codes as shown in the AJCC TNM 6 Stage table . A or B categories is appended to Stage I-IV based on coding of CS Site-Specific Factor 2, Systemic Symptoms at Diagnosis.