| 0 |
In situ, intraepithelial, noninvasive
- CIN III (conjunctival intraepithelial neoplasia III)
- SIN III (squamous intraepithelial neoplasia III) |
| 1 |
Localized only (localized, NOS)
- Confined to conjunctiva, NOS
- Confined to one subsite of conjunctiva
+ Bulbar conjunctiva
+ Forniceal conjunctiva
+ Palpebral conjunctiva
+ Tarsal conjunctiva
- Cornea (3, 6, 9, or 12 o'clock hours)
- Intraocular compartments
- Intraocular extension WITHOUT invasion of adjacent structures |
| 2 |
Regional by direct extension only
- More than one subsite of conjunctiva involved
- Adjacent extraocular extension
+ Anterior eyelid lamella
+ Caruncle
+ Eyelid margin (lower and/or upper)
+ Lacrimal punctum and canaliculi (lower and/or upper)
+ Plica
+ Posterior eyelid lamella
- Adjacent paranasal sinuses
- Bone, bone of orbit
- Orbit, NOS
- Orbital soft tissues WITHOUT bone invasion |
| 3 |
Regional lymph node(s) involved only
- Cervical, NOS
- Mandibular, NOS
+ Submandibular (submaxillary)
- Parotid, NOS
+ Infra-auricular
+ Preauricular
- 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 site(s) (including further contiguous extension)
+ Brain
+ Sinus
- Distant lymph node(s), NOS
- Distant metastasis, NOS
+ Carcinomatosis
+ Distant metastasis WITH or WITHOUT distant lymph node(s) |
| 9 |
Unknown if extension or metastasis |
