CS Site-Specific Factor 25
Schema Discriminator: Nasopharynx/PharyngealTonsil
Notes
**Note**: For cases coded to primary site code C11.1 (Posterior wall of nasopharynx), code the specific site in which the tumor arose.| Code | Description | Schema |
|---|---|---|
| 010 | Posterior wall of nasopharynx Posterior wall of nasopharynx, NOS |
nasopharynx |
| 020 | Adenoid Pharyngeal tonsil Nasopharyngeal tonsil |
pharyngeal_tonsil |
| 100 | OBSOLETE DATA RETAINED V0200 C11.1 - originally coded in CSv1 and case diagnosed before 1/1/2010 |
nasopharynx |
| 981 | Nasopharynx cases coded to C11.0, C11.2, C11.3, C11.8, C11.9 Note: May include cases which were converted to this code from a blank |
nasopharynx |