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

Colon

CS Site-Specific Factor 8
Perineural Invasion

CodeDescription
000None; no perineural invasion present
010Perineural invasion present
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
Not documented in patient record