Site-Specific Factor 8
Perineural Invasion
Notes
**Note:** Code the presence or absence of perineural invasion as documented in the pathology report. Assign code 000 if histologic examination of primary site was performed, the pathology report is available for review, and perineural invasion is not mentioned.Default
999NAACCR Item
NAACCR #2862Metadata
None| Code | Description |
|---|---|
| 000 | None; no perineural invasion present |
| 010 | Perineural invasion present |
| 988 | Not applicable: Information not collected for this case |
| 998 | No histologic examination of primary site |
| 999 | Unknown Not documented in patient record |