Schema Discriminator 1: Melanoma Ciliary Body/Melanoma Iris

This input is used for staging


**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


NAACCR #3926


Code Description Disease
1 Ciliary Body Crystalline lens Sclera Uveal tract Intraocular Eyeball 67:2 Uvea: Choroidal and Ciliary Body Melanomas
2 Iris 67.1: Uveal Melanoma - Iris
<BLANK> Primary Site is NOT C694, Discriminator is not necessary