Schema Discriminator 1: Histology Discriminator for 9591/3

This input is used for staging

Notes

**Note:** A schema discriminator is used to discriminate for histology 9591/3: Non-Hodgkin lymphoma to determine which Stage Group table to use. * **9591/3: Splenic B-cell lymphoma/leukemia, unclassifiable (see code 1)** Abstracted and staged as a leukemia * **9591/3: Hairy cell leukemia variant (see code 2)** Abstracted and staged as a leukemia * **9591/3: Splenic diffuse red pulp small B-cell lymphoma (see code 3)** Abstracted and staged as a lymphoma * **9591/3: Non-Hodgkin lymphoma, NOS (see code 9)** Abstracted and staged as a lymphoma

NAACCR Item

NAACCR #3926

Metadata

SSDI
Code Description Schema ID #/Description
1 Splenic B-cell lymphoma/leukemia, unclassifiable 00830: HemeRetic
2 Hairy cell leukemia variant Prolymphocytic variant of hairy cell leukemia 00830: HemeRetic
3 Splenic diffuse red pulp small B-cell lymphoma Splenic marginal zone lymphoma, diffuse variant Splenic red pulp lymphoma with numerous basophilic villous lymphocytes Splenic lymphoma with villous lymphocytes 00790: Lymphoma (excluding CLL/SLL)
9 Non-Hodgkin lymphoma, NOS Any other terminology describing non-Hodgkin lymphoma, NOS 00790: Lymphoma (excluding CLL/SLL)
<BLANK> Histology is NOT 9591, Discriminator is not necessary