Collaborative Stage for TNM 7 - Revised 11/12/2010  [ Schema ]


CS Site-Specific Factor 11
Perineural Invasion

000Perineural invasion not present/not identified
010Perineural invasion present/identified
988Not applicable: Information not collected for this case
(If this information is required by your standard setter, use of code 988 may result in an edit error.)
998No histologic examination of primary site
999Unknown or no information
Not  documented in patient record