Schema Discriminator 1: Thyroid Gland/Thyroglossal Duct

This input is used for staging

Notes

**Note:** A schema discriminator is used to discriminate between thyroid gland and thyroglossal duct tumors with primary site code C739: Thyroid Gland. Code the site in which the tumor arose. * **Thyroid gland (see code 1)** Subsites include: Thyroid, NOS * **Thyroglossal duct (see code 2)**

Default

1

NAACCR Item

NAACCR #3926

Metadata

SSDI
Code Description
1 Thyroid gland Thyroid, NOS
2 Thyroglossal duct cyst