EOD Primary Tumor
Notes
**Note 1:** **Uveal Melanomas** * Uveal melanomas arise most commonly in the choroid, less frequently in the ciliary body, and least often in the iris. * Melanomas of the iris tend to be small, and those arising from or extending to the ciliary body typically are large. **Note 2:** **Discrete tumor nodules** * Discrete tumor deposit(s) in the orbit that are not contiguous to the eye are recorded in lymph nodes (See EOD Regional Nodes).| Code | Description | SS2018 T |
|---|---|---|
| 000 | In situ, intraepithelial, noninvasive | IS |
| 100 | Limited to iris * Not more than 3 clock hours in size | L |
| 150 | Limited to iris * More than 3 clock hours in size | L |
| 200 | Limited to iris * WITH melanomalytic (secondary) glaucoma | L |
| 250 | Limited to iris, NOS * Localized, NOS | L |
| 300 | Tumor confluent with or extending into ciliary body - WITHOUT secondary glaucoma | L |
| 350 | Tumor confluent with or extending into ciliary body AND choroid - WITHOUT secondary glaucoma | L |
| 400 | Tumor confluent with or extending into ciliary body, choroid or both - WITH secondary glaucoma | L |
| 450 | Tumor confluent with or extending into ciliary body, choroid or both - Presence of secondary glaucoma unknown | L |
| 500 | Tumor confluent with or extending into ciliary body, choroid or both - WITH scleral extension | L |
| 550 | Tumor WITH extrascleral extension - LESS than or equal to 5 mm in diameter | RE |
| 600 | Tumor WITH extrascleral extension - MORE than 5 mm in diameter | RE |
| 650 | Tumor WITH extrascleral extension - Measurement of diameter not specified Adjacent extraocular extension | RE |
| 700 | Further contiguous extension | RE |
| 800 | No evidence of primary tumor | U |
| 999 | Unknown; extension not stated Primary tumor cannot be assessed Not documented in medical record Death Certificate Only | U |