| 1 |
Localized only (localized, NOS)
- Lymphoma involving the conjunctiva alone WITHOUT or UNKNOWN eyelid or orbital involvement
- Lymphoma with orbital involvement WITH or WITHOUT conjunctival involvement
- Lymphoma with preseptal eyelid involvement WITH or WITHOUT orbital or conjunctival involvement |
| 2 |
Regional by direct extension only
- Orbital adnexal lymphoma AND extraorbital lymphoma extending beyond the orbit to adjacent structures
+ Bone
+ Brain
+ Maxillofacial sinuses |
| 3 |
Regional lymph node(s) involved only
- Cervical
- Parotid
- Preauricular
- Regions draining the ocular adnexal structures
- Submandibular
- Regional lymph node(s), NOS
+ Lymph node(s), NOS |
| 4 |
Regional by BOTH direct extension AND regional lymph node(s) involved
Codes (2) + (3) |
| 7 |
Distant site(s)/lymph node(s) involved
- Distant sites
+ Non-contiguous involvement of other extranodal sites including, but not limited to
* Breast
* Gastrointestinal tract
* Kidney
* Liver
* Lung
* Parotid gland
* Salivary gland
* Spleen
* Submandibular gland
- Distant lymph node(s), NOS
+ Diffuse OR disseminated involvement of peripheral and central lymph node regions
+ Mediastinum
- Distant metastasis, NOS
+ Blood/peripheral blood
+ Bone marrow
+ Distant metastasis WITH or WITHOUT distant lymph node(s) |
| 9 |
Unknown if extension or metastasis |
