Nasopharynx [V9: 2025+]
| Primary Site | Histology | Schema Discriminator 1 | Year of Diagnosis |
|---|---|---|---|
| C110, C112-C113, C118-C119 | 8000-8700 | <Any value> | 2025-9998, 9999, <BLANK> |
| C111 | 8000-8700 | 1 | 2025-9998, 9999, <BLANK> |
SSDI Data Items
| Name | Default Value | Used for Staging | NAACCR Item | Required By |
|---|---|---|---|---|
| Schema Discriminator 1 | <BLANK> | Yes | NAACCR #3926 | All |
| 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 |
| Extranodal Exten H&N Clin | 8 | No | NAACCR #3831 | COC SEER (RC) |
| Extranodal Exten H&N Path | X.8 | No | NAACCR #3832 | CCCR/Canada COC SEER |
| LN Size | XX.8 | No | NAACCR #3883 | CCCR/Canada COC SEER |