Site-Specific Factor 6

Perineural Invasion

Notes

**Note:** Code the presence or absence of perineural invasion as documented in the pathology report. * Use code 000 if histologic examination of primary site was performed, the pathology report is available for review, and perineural invasion is not mentioned

Default

999

NAACCR Item

NAACCR #2930

Metadata

None
Code Description
000 Perineural invasion not present/not identified
010 Perineural invasion present/identified
988 Not applicable: Information not collected for this case
997 Histologic examination of primary site performed, unknown results
998 No histologic examination of primary site
999 Unknown or no information
Not documented in patient record