Schema Discriminator 1: Melanoma Ciliary Body/Melanoma Iris
This input is used for staging
Notes
**Note:** A schema discriminator is used to discriminate between melanoma tumors with primary site code C694: Ciliary Body/Iris. Code the site in which the tumor arose. * **Melanoma Ciliary Body (see code 1) ** Subsites include Ciliary body, crystalline lens, sclera, uveal tract, intraocular, eyeball * **Melanoma Iris (see code 2) ** Subsite includes Iris| Code | Description | Schema ID #/Description |
|---|---|---|
| 1 | Ciliary Body Crystalline lens Sclera Uveal tract Intraocular Eyeball |
00672: Melanoma Choroid and Ciliary Body |
| 2 | Iris | 00671: Melanoma Iris |
| <BLANK> | Primary Site is NOT C694, Discriminator is not necessary |