EOD Primary Tumor
| 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 | D | 
| 800 | No evidence of primary tumor | U | 
| 999 | Unknown; extension not stated Primary tumor cannot be assessed Not documented in patient record Death Certificate Only | U |