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

NAACCR Item

NAACCR #3926

Metadata

SSDI
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