Data Last Updated: Sept. 13, 2023

Merkel Cell Skin

Primary Site Histology Year of Diagnosis
C000-C006, C008-C009, C440-C449, C600-C602, C608-C609, C632 8041, 8190, 8247 <Any value>
C510-C512, C518-C519 8190, 8247 <Any value>
C510-C512, C518-C519 8041 2018-2023
C809 8190, 8247 <Any value>

SSDI Data Items

Name Default Value Used for Staging NAACCR Item Required By
Grade Clinical 9 Yes NAACCR #3843 All
Grade Pathological 9 Yes NAACCR #3844 All
Grade Post Therapy Clin (yc) <BLANK> No NAACCR #1068 COC
NPCR
SEER
Grade Post Therapy Path (yp) <BLANK> No NAACCR #3845 CCCR/Canada
COC
NPCR
SEER
Lymph Nodes Isolated Tumor Cells 8 No NAACCR #3880 COC
SEER
Profound Immune Suppression 8 No NAACCR #3918 COC
SEER
Extranodal Extension Clinical 8 No NAACCR #3830 COC
SEER (RC)
Extranodal Extension Pathological 8 No NAACCR #3833 COC
SEER (RC)