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 |