Nasopharynx (8th 2018-2024)

Primary Site	Histology	Schema Discriminator 1	Year of Diagnosis
C110,C112-C113,C118-C119	8000-8700	*	2018-2024
C111	8000-8700	1	2018-2024

Name	Default Value	Used for Staging	NAACCR Item	Required By
Schema Discriminator 1	null	true	#3926	COC_REQUIRED NPCR_REQUIRED CCCR_REQUIRED SEER_REQUIRED
Grade Clinical	9	true	#3843	COC_REQUIRED NPCR_REQUIRED CCCR_REQUIRED SEER_REQUIRED
Grade Pathological	9	true	#3844	COC_REQUIRED NPCR_REQUIRED CCCR_REQUIRED SEER_REQUIRED
Grade Post Therapy Clin (yc)	null	false	#1068	NPCR_REQUIRED COC_REQUIRED SEER_REQUIRED
Grade Post Therapy Path (yp)	null	false	#3845	NPCR_REQUIRED COC_REQUIRED CCCR_REQUIRED SEER_REQUIRED
Extranodal Exten H&N Clin	8	false	#3831	COC_REQUIRED SEER_REQUIRED_WHEN_COC_ANALYTIC
Extranodal Exten H&N Path	X.8	false	#3832	COC_REQUIRED CCCR_REQUIRED SEER_REQUIRED
LN Size	XX.8	false	#3883	COC_REQUIRED CCCR_REQUIRED SEER_REQUIRED

KCR Abstractors Manual